The retired man donated most of his savings to the school damaged by the earthquake in Yus

问题补充：

The retired man donated most of his savings to the school damaged by the earthquake in Yushu ,the students to return to their classrooms.

A. enabling

B. having enabled

C. to enable

D. to have enabled

答案：

(答案→)A. enabling

B. having enabled

C. to enable

D. to have enabled

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