—We are worried about Tom. Why hasn’t he come back?

—Don’t worry. He ______ in a traffic jam.

A．might be caught

B．may have been caught

C．can have been caught

D．should have been caught

下列国家中，同时行使收入来源地管辖权和公民管辖权的是（）。

A、美国

B、韩国

C、罗马尼亚

D、英国