—Mr.Smith you are wanted on the phone. —Thank you. no one knows I’m here.A. ForB. AndC. Bu

问题补充：

—Mr.Smith,you are wanted on the phone.

—Thank you. no one knows I’m here.

A. For

B. And

C. But

D. So

答案：

A. For

(答案→)B. And

C. But

D. So

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