—Is this the magazine she often writes articles?—Yes it is.A. to whichB. of whichC. for

问题补充：

—Is this the magazine she often writes articles?

—Yes, it is.

A. to which

B. of which

C. for which

D. about which

答案：

A. to which

B. of which

(答案→)C. for which

D. about which

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