东方三侠腾讯:Who is it up_______decide whether to go ro not? A. to do B. to C.for to D. to for

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up to someone由某人决定
我觉得没有答案
正确的应该是to to
who用u代替的话陈述语序应该是
it is up to u to decide whether to go or not.
对you划线提问就是
who is it up to to decide whether to go or not?
第一个to是介词,即词组中的up to someone
第二个是动词不定式符号,因为这个词组不能直接接动词

be up to sb

B

b