It's said that they a better life ever since they moved to the US.A. had enjoyedB. have b

问题补充：

Its said that they a better life ever since they moved to the US.

A. had enjoyed

B. have been enjoying

C. were enjoying

D. would enjoy

答案：

A. had enjoyed

(答案→)B. have been enjoying

C. were enjoying

D. would enjoy

解析：B 考察动词时态。句义：据说，他们自从搬到美国后一直过着更好的生活。根据句义可知，此处表示动作从过去某一时间开始，一直延续到现在，可能还要继续下去。故应该使用现在完成进行时。故B正确。