The light will be thrown the cause of cancer by research that is now in progress.A. toB.

发布时间：2020-08-30 00:53:22


The light will be thrown      the cause of cancer by research that is now in progress.
A. to
B. upon
C. in
D. for

网友回答

A. to
(答案→)B. upon
C. in
D. for
解析：考查介词的用法。句意“正在进行的研究将对癌症的起因进行解释。”throw light on/upon sth.“解释，阐明”。故选B。
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