You have a big mouth, Li Fei. You ____ have told everybody the secret. [ ]

A. can't

B. mustn't

C. shouldn't

D. mightn't

下列各句中加点词语活用类型不相同的一项是（   ）（3分）

A．①故远人不服，则修文德以来之②否则不能继述先烈遗志且光大之

B．①商人重利轻离别②谨庠序之教，申之以孝悌之义

C．①襟三江而带五湖②如波涛夜惊，风语骤至

D．①王好战，请以战喻②台隍枕夷夏之交