请问为什么不能选AIndustries consumed 28 percent more power in the first quarter this year than they ___in the same period last year.A.had done B.have done C.would do D.did

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请问为什么不能选AIndustries consumed 28 percent more power in the first quarter this year than they ___in the same period last year.A.had done B.have done C.would do D.did
请问为什么不能选A
Industries consumed 28 percent more power in the first quarter this year than they ___in the same period last year.
A.had done B.have done C.would do D.did

请问为什么不能选AIndustries consumed 28 percent more power in the first quarter this year than they ___in the same period last year.A.had done B.have done C.would do D.did
选D吧,did 代替的是 consumed,因为有last year,所以用过去式.

后有一过标志词“last year”,只使用一过,不使用过完。

因为last year,所以用一般过去时