Prep39_请教

39。  The
                            Sports
                            Medicine
                            Programs
                            of
                            the
                            Olympic
                            Training
                                Center,
                                a
                                complex
                                where
                                final
                                tryouts
                                are
                                held for
                                athletes
                                representing
                                the
                                United
                                        States
                                in
                                the
                                Olympics,
                                is
                                    geared
                                toward
                                enhancing
                                athletes'

performance
                            and
                            toward
                            their
                            preparation
                                for
                            international
                                competition.

(A)
                                is
                                geared
                                toward
                                enhancing
                                athletes'
                                performance
                                and
                                toward
                                their
                                preparation

(B)
                                is
                                geared
                                to
                                enhance
                                the
                                performance
                                of
                                athletes
                                and
                                to
                                prepare
                                them

(C)
                                are
                                geared
                                to
                                enhance
                                athletes'
                                performance
                                and
                                their
                                preparation

(D)
                                are
                                geared
                                toward
                                the
                                enhancement
                                of
                                athletes'
                                performance
                                and
                                toward
                                preparing
                                them

(E)
                                are
                                geared
                                toward
                                enhancing
                                the
                                performance
                                of
                                athletes
                                and
                                preparing
                                them