Project Hope , thousands of children have better lives.A. WhyBBecauseCBecause ofD

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A. Why
B. Because
(答案→)C. Because of
D. From
解析：Why为什么；Because因为，后面接从句；Because of因为，后面接名词性短语；From来自。句意：因为希望工程，无数的孩子过上了更好的生活。Project Hope为名词性短语，故选C。