单选题
I didn"t believe in this treatment before, but after I tried I found that it really ______.
A、
worked
B、
mattered
C、
passed
D、
did
【正确答案】
A
【答案解析】
[解析] work:起作用,奏效;matter:有关系,有影响;pass:经过;do:做,进展。根据句意可知,选A。
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