Kitty would rather _________ to the park than watch TV. [ ]

A. to go

B. go

C. going

D. goes

现有四种说法：①﹣a表示负数；②若|x|=﹣x，则x＜0；③绝对值最小的有理数是0；④3×10²x²y是5次单项式；其中正确的是[ ]

A．①

B．②

C．③

D．④