可并发肺肉质变的肺部疾病是（）
A.间质性肺炎
B.肺脓肿
C.支气管肺炎
D.大叶性肺炎
E.慢性支气管炎
参考答案：D
—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
