og12 80 that平行

lucifercaters

80. A report by the American Academy for the
Advancement of Science has concluded that much
of the currently uncontrolled dioxins to which North
Americans are exposed comes from the incineration
of wastes.
(A) much of the currently uncontrolled dioxins to
which North Americans are exposed comes
(B) much of the currently uncontrolled dioxins that
North Americans are exposed to come
(C) much of the dioxins that are currently
uncontrolled and that North Americans are
exposed to comes
(D) many of the dioxins that are currently
uncontrolled and North Americans are exposed
to come
(E) many of the currently uncontrolled dioxins to
答案为E D中少了that,想问下that在从句中做主语时可否有that is..and is....在这种情况下是否也许不出才能平行？

victoria_cc

他觉得用定语从句wordy  可是解释中就提到了   第二个that应该不出来 可是我觉得 很不理解 定语从句的 that 为什么要补出来，，

tofreesky

我觉得 为了保证平行修饰的层次不产生歧义 应该是要加that OG 好像有因为没有加that而错得题吧！

bodkicker

如果出现这样的句子I have something to tell you that......and that.....这第二个that一定要出现吗？找这道题D的解释来看，是要的，为了平行。有nn解释下吗？