fit she eats little every day.A. KeepB. KeepingC. KeepsD. In order to keep

问题补充：

fit, she eats little every day.

A. Keep

B. Keeping

C. Keeps

D. In order to keep

答案：

A. Keep

B. Keeping

C. Keeps

(答案→)D. In order to keep

解析：句意：他每天吃得很少的目的是保持健康。动词不定式表目的，In order to=to +动词原形，故选D.