The doctor advised her to wear flat shoesher back problem.A. on account ofB. in terms ofC.

问题补充：

The doctor advised her to wear flat shoesher back problem.

A. on account of

B. in terms of

C. for lack of

D. on top of

答案：

(答案→)A. on account of

B. in terms of

C. for lack of

D. on top of

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