一Did they take any photos?一A. No，they didntB. No，they didC. No，they arent D. No，they we

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(答案→)A. No，they didn't
B. No，they did
C. No，they aren't
D. No，they weren't
解析：英语一般疑问句的回答，要遵循于上文时态，人称和数的一致。上文时态为一般过去式，主语为they，故选A。