问题
I think _______ask Tim for some advice.-_______. Last time when I turned to him, he refusedto help.
A:you'd rather;I think so
B:you'd better;I'd rather not
C:you have to;I'd rather not
D:you'd better;I think so
B:you'd better;I'd rather not
C:you have to;I'd rather not
D:you'd better;I think so
正确答案是：
