63. Health officials estimate that 35 million Africans are in danger of contracting trypanosomiasis, or "African
sleeping sickness," a parasitic disease spread by the bites of tsetse flies.
(A) are in danger of contracting
(B) are in danger to contract
(C) have a danger of contracting
(D) are endangered by contraction
(E) have a danger that they will contract
Choice A, which is both idiomatic and concise, is best. In choice B, to contract is wrong because the phrase are in
danger must be followed by of, not by an infinitive. The phrase have a danger is unidiomatic in C. In D, the phrase
by contraction trypanosomiasis requires of after contraction; even if this correction were made, though, the passive
construction in D would be unnecessarily wordy and also imprecise, because it is the disease more than the act of
contracting it that poses the danger. In E, have a danger is again unidiomatic, and the to that clause following the
phrase is, within the structure of the sentence, ungrammatical and awkward.
我怎么觉得E选项的that从句没有问题呢？请教.........
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