-Its generous Millie to donate all her pocket money to UNICEF. -Yes. Its really meaning

-It's generous Millie to donate all her pocket money to UNICEF.
-Yes. It's really meaningful people to do something for charities.
A. of; of
B. for; for
C. for; of
D. of; for

A. of; ofB. for; forC. for; of(答案→)D. of; for解析：句意:-Millie把她所有的零花钱都捐给了UNICEF，她真是太慷慨了。-是的，对于人们来说为慈善机构做事情真的是很有意义。本题使用的句型是It is adj. for/of sb. to do sth. 对于某人来说做某事是……的。在这个句型中介词的选择要根据形容词，如果是表示人的品质的形容词时，用of，其他情况用for。故本题选D。

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