请教一道prep

ysl246

82.
            (28855-!-item-!-188;#058&004055)

 

In a blow to those who still harbored the illusion that E-mail exchanges are private, a watchdog group recently uncovered a trick for enabling an interloper to rig an E-mail message so that this person will be privy to any comments that a recipient had added as the message is forwarded to others or sent back and forth.

 

(A) who still harbored the illusion that E-mail exchanges are private, a watchdog group recently uncovered a trick for enabling an interloper to rig an E-mail message so that this person will be privy to any comments that a recipient had added

(B) who had still been harboring the illusion that E-mail exchanges are private, a watchdog group recently uncovered a trick for enabling an interloper to rig an E-mail message so that this person was privy to any comments that a recipient might have added

(C) who still were harboring the illusion that E-mail exchanges are private, a watchdog group recently uncovered a trick enabling an interloper to rig an E-mail message so that this person is privy to any comments that a recipient would add

(D) still harboring the illusion that E-mail exchanges are private, a watchdog group recently uncovered a trick that enables an interloper to rig an E-mail message so that this person will be privy to any comments that a recipient might add

(E) still harboring the illusion that E-mail exchanges had been private, a watchdog group recently uncovered a trick that will enable an interloper to rig an E-mail message so that this person was privy to any comments that a recipient might add

答案D，这题C和D有什么区别？C哪里不好呢？

Drakedirect

这道题真是头疼阿！
A. trick for enabling  (incorrect, should trick enabling or trick that enables)
B. tick for enabling (incorrect)
C. who still were harboring should be who are still harboring; is privy... would add (would是will的过去时，时态有问题）
D.Correct
E. had been private (incorrect); will enable ... so that... was (incorrect)
感觉C的时态很乱，欢迎讨论

ysl246

upup