—It’s hard to believe that Jack have fought with the policeman.—Yes. If one ask for tro

问题补充：

—It’s hard to believe that Jack have fought with the policeman.

—Yes. If one ask for trouble, it can be helped.

A. would; will

B. must; may

C. should; must

D. need; dare

答案：

A. would; will

B. must; may

(答案→)C. should; must

D. need; dare

解析： would 会，must必须，一定；非得，偏偏；should应该，竟然；need需要，dare敢；may也许；句义：—很难相信Jack尽然和警察打了起来。—是的。如果一个人非要自找麻烦，别人也无计可施。根据句义第一空中的should竟然，表示一种很惊讶的语气。第二空的must表示非得，偏偏。故C正确。