So far, large quantities of information _____ sent to the company by email, which has a great effect on improving the quality of its products.

A. has been B. have been

C. was D. were

B

【解析】

試題分析：句意：迄今為止，大量的信息通過郵件發(fā)送到這個(gè)公司，這對提升公司產(chǎn)品質(zhì)量有很大的影響。large quantities of后面無論加可數(shù)名詞復(fù)數(shù)形式還是不可數(shù)名詞謂語動詞都用復(fù)數(shù)形式。排除A、C。so far 是現(xiàn)在完成時(shí)的標(biāo)志，故選B。

考點(diǎn)：考查主謂一致

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