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Not only ( ) a promise, but he also kept it.
A、has he made
B、he made
C、had he made
D、he had made
【正确答案】：C
【题目解析】：not only 置于句首，倒装 时态为过去完成时，后半句用一般过去时。句子含义是他不但做出一个承诺，并且信守一个承诺。