---These girls are not doing fine at school are they? ---.A. I guess not soB. I don’t gue

问题补充：

---These girls are not doing fine at school, are they?

---.

A. I guess not so

B. I don’t guess

C. I don’t guess so

D. I guess not

答案：

A. I guess not so

B. I don’t guess

C. I don’t guess so

(答案→)D. I guess not

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