—Do you really think what he said was practical?—I don't entirely agree but .A. I don't c

问题补充：

—Do you really think what he said was practical?

—I don entirely agree, but .

A. I don care

B. just let it go

C. go ahead

D. I doubt it

答案：

A. I don care

(答案→)B. just let it go

C. go ahead

D. I doubt it

解析：B 考察交际英语。句义：你真的认为他所说的符合事实吗？—不完全同意，但由它去吧！B到此为止，不再想它。A我不在意；C着手做；D我怀疑。根据句义说明B正确。