—Ileftmyhandbagonthetrain,butluckilysomeonegaveittoara...

问题详情：

 —I left my handbag on the train, but luckily someone gave it to a railway official.

—How unbelievable to get it back! I mean, someone ______ it.

  A. will have stolen   B. might have stolen    C. should have stolen  D. must have stolen

【回答】

B

知识点：虚拟语气与情态动词

题型：选择题