34. He had no sooner arrived there pestering his doctor.A. and then he beganB. when he be

问题补充：

34. He had no sooner arrived there pestering his doctor.

A. and then he began

B. when he began

C. to begin

D. than he began

答案：

A. and then he began

B. when he began

C. to begin

(答案→)D. than he began

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