问题
Do you think we should accept that offer?– Yes, we should, for we _____ such bad luck up till now, and time out.[ ]
A: have had, is running
B: had, is running
C: have, has been run
D: have had, has been run
B: had, is running
C: have, has been run
D: have had, has been run
正确答案是：
