Anumberofanimals          killedandthenumberofthem     ...

問題詳情：

A number of animals           killed and the number of them        getting    smaller and smaller.

   A. has been; are    B. has been; is    C. have been; is  D. have been; are

【回答】

C   a number of…“許多……；大量……”，作主語時謂語動詞用複數；the number of…“……的數量”，作主語時謂語動詞用單數。故C項正確。

知識點：主謂一致

題型：選擇題