The retired man donated most of his savings to the school damaged by the earthquake in yushu,_____th

The retired man donated most of his savings to the school damaged by the earthquake in yushu,_____th

题目
The retired man donated most of his savings to the school damaged by the earthquake in yushu,_____the students return to their classrooms.
A enabling
B having enabled
C to enable
D to have enabled
答案
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