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Tom is ill.Have you heard about ? [ ] A. that B. this C. it D. which

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Tom is ill.Have you heard about ? [ ] A. that B. this C. it D. which

Tom is ill.Have you heard about _________?

[]A.

that

B.

this

C.

it

D.

which

试题答案

答案:C

解析:

it指代前一句的内容,其他选项无此用法。