The owner of the restaurant was afraid of in debt and decided to do some research health

问题补充：

The owner of the restaurant was afraid of in debt and decided to do some research healthy foods to change the situation.

A. to be; on

B. being; to

C. to be; in

D. being; into

答案：

A. to be; on

B. being; to

C. to be; in

(答案→)D. being; into

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