You seldom have a free weekend,-----?A.do you B.don't you C.

You seldom have a free weekend,_____?A.do you B.don't you C.have you D.haven't you
为什么不选C?
我是看书上的例子才选C的,书上说：当have做“有”解时需用反义疑问句
例子:
(1)He has't any sisters,has he?
(2)He doesn't have any sisters,does he?