It is reported that large amounts of locusts(蝗虫) in their activity in the north now.A. is

发布时间：2020-08-16 18:17:18

It is reported that large amounts of locusts(蝗虫)      in their activity in the north now.
A. is
B. are
C. was
D. were

网友回答

A. is
(答案→)B. are
C. was
D. were
解析：考察主谓一致。large amounts of locusts大量蝗虫是复数，故谓语动词用复数形式，结合时间状语now可知是表述的现在的状态，故用一般现在时态，选B。
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