—Whatsurprisedmewasthatshe

問題詳情：

 — What surprised me was that she ________ have told him our confidential(祕密的) plan.

— I think she didn’t mean to; perhaps it just slipped out.

A. must B. should C. might D. could

【回答】

B

知識點：情態動詞

題型：選擇題