If you carry with you the belief that all you do is right it’s none of my business.A. sh

问题补充：

If you carry with you the belief that all you do is right, it’s none of my business.

A. should

B. may

C. can

D. must

答案：

A. should

B. may

C. can

(答案→)D. must

解析：考查情态动词用法。A应该，竟然；B也许；C可能，能够；D必须；非得，偏偏；句意：如果你非要认为你的观点是正确的，那也就不关我的事情了。根据句意说明D正确。