—I think it’s going to be a11 argument. —Yes. it could be. —I wonder we can do about it. A

问题补充：

—I think it’s going to be a11 argument.

—Yes. it could be.

—I wonder we can do about it.

A. what

B. how

C. when

D. whether

答案：

(答案→)A. what

B. how

C. when

D. whether

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