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题库 / Prep2007E2-SC-82
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.
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
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
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
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
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
A. for enabling两种解释都存在问题：如果理解成 a trick for doing something，则习语使用错误，若理解成 the group uncovered … for enabling表目的，则应该优先使用不定式，所以，for doing在这里是不正确的用法;
B. for enabling的错误见A选项解释;who had still been过去完成时使用错误：过去完成时用于表达已经完成了的动作，但是此处又使用了still，表示现在仍然，出现语义上的矛盾。
C. who still were应该被省去;so that从句应该用将来时will be privy to
D. 正确，harboring…是现在分词作后置定语，修饰those。
E. Had been private使用过去完成时态不正确;a trick that enables表明这个伎俩现在已经生效，是对这个伎俩功能的一般描述;而will enable，“将会”使得，则表明这个伎俩现在还没有造成威胁
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