I don't think it is useful for me to finish the task ----?A can i_英语解答

I don't think it is useful for me to finish the task ----?A can it B is it C can't it D isn't it 为
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人气：238 ℃　时间：2019-10-23 05:05:27

解答

B
首先根据前面内容可以排除A和C,然后,由于前面的句子是否定句,后面的反问就应该用肯定的.