13．Jack ___________ yet，otherwise he would have phoned me．（　�。�
A．mustn't have arrivedB．shouldn't have arrived
C．can't have arrivedD．needn't have arrived

分析 Jack 不可能已經(jīng)到了，否則他本會打電話給我．

解答 答案是C．本題考查表示推測的情態(tài)動詞的用法．沒有mustn't have done，故排除A．shouldn't have done 是虛擬語氣，表示"本不應(yīng)做但事實(shí)上卻做了"；can't have done表示否定推測，不可能已經(jīng)…；needn't have done 表示"本不必做實(shí)際上做了"；由語境可知，Jack"不可能已經(jīng)"到了，所以答案是C．

點(diǎn)評 要在正確理解情態(tài)動詞的基本含義的基礎(chǔ)上，整體理解語境中的情感態(tài)度，做出合理的判斷．

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