[求助]关于时态的判断

1.       
From 1982 to 1987 sales of
new small boats increased between five and ten percent annually.

(A) From 1982 to
1987 sales of new small boats increased between five and ten percent annually.

(B) Five to ten
percent is the annual increase in sales of new small boats in the years 1982 to
1987.

(C) Sales of new
small boats have increased annually five and ten percent in the years 1982 to
1987.

(D) Annually an
increase of five to ten percent has occurred between 1982 and 1987 in the sales of new small boats.（A）

(E) Occurring from
1982 to 1987 was an annual increase of five and ten percent in the sales of new
small boats.

Although the Supreme
Court ruled as long ago as 1880 that Blacks could not be excluded outright from
jury service, nearly a century of case-by-case adjudication has been
necessary to develop and enforce the principle that all juries must be drawn
from “a fair cross section of the community.”

(A)
has been necessary to develop and enforce the principle that all juries must be

(B)
was necessary for developing and enforcing the principle of all juries being

(C)
was to be necessary in developing and enforcing the principle of all juries to
be

(D)
is necessary to develop and enforce the principle that all juries must be（A）

(E)
will be necessary for developing and enforcing the principle of all juries
being