Susan wanted to be independent of her parents. She tried alone, but she didn’t like it and moved back home.
A. living
B. to live
C. to be living
D. having lived
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(答案→)A. living
B. to live
C. to be living
D. having lived
解析：考查时态。try doing sth，表示试着做某事。 B项try to do sth表示将要尝试做某事，也就是说还没开始做，这与后分句的时态不符。C,D两项也不符合题意。