—Are you through with your high school?—Well, .A. sort ofB. go aheadC. why notD. that's OK

—Are you through with your high school?
—Well, .
A. sort of
B. go ahead
C. why not
D. that's OK

(答案→)A. sort ofB. go aheadC. why notD. that's OK解析：句意：---你高中毕业了吗？--哦，可以说是吧。sort of（想不出恰当的词或不知下面该怎么说时用）可以说，可说是；go ahead: 说吧，干吧，开始。why not: （同意对方的意见）为什么不。that’s OK. 那好吧；可以；没关系；不用了,故A正确。

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