10. When she heard that I couldn’t help the problem the poor girl couldn’t help .A. to s

问题补充：

10. When she heard that I couldn’t help the problem, the poor girl couldn’t help .

A. to solve; crying

B. solving; to cry

C. solving; crying

D. to solve; to cry

答案：

(答案→)A. to solve; crying

B. solving; to cry

C. solving; crying

D. to solve; to cry

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