[求助]og47

47. Displays of the aurora borealis, or "northern lights," can heat the atmosphere over the arctic enough to affect the trajectories of ballistic missiles, induce electric currents that can cause blackouts in some areas and corrosion in north-south pipelines.

(A)                to affect the trajectories of ballistic missiles, induce

(B)                that the trajectories of ballistic missiles are affected, induce

(C) that it affects the trajectories of ballistic missiles, induces

(D)                that the trajectories of ballistic missiles are affected and induces

(E) to affect the trajectories of ballistic missiles and induce

關於解釋中的一句話,我不是很懂

麻煩nn替我解釋一下

and D is faulty because induces cannot fit grammatically with any noun in the sentence.

句中的主语是 trajectories, 复数，所以谓语也要用复数，induces是单数主语情况下的形势。主语是名词，所以解释说 cannot fit with any noun。

再往前看一下，整个句子的主语是 displays 也是复数，也不能和 induces 搭配。