I don't think to clone humans is good,____ A.is it B.isn't it C.do I D.don't I为什么是 a不是b

I don't think to clone humans is good,____ A.is it B.isn't it C.do I D.don't I为什么是 a不是b
I don't think to clone humans is good,____ A.is it B.isn't it C.do I D.don't I
为什么是 a不是b

I don't think to clone humans is good,____ A.is it B.isn't it C.do I D.don't I为什么是 a不是b
因为句子为否定前置 所以 I don't think to clone humans is good 可变为I think to clone humans is not good 所以反义疑问句用A

前面DON'T已经否定了，所以后面要用肯定，这属于否定前移