女，3岁，低热、咳嗽2月余，结合胸片，最可能的诊断为（）
A.原发综合征
B.肺门淋巴结核
C.淋巴瘤
D.支原体肺炎
E.间质性肺炎
参考答案：B
----Sixteen-year-olds should not be allowed to drive a car.
----I agree. They are ____________.
A．too serious
B．not serious enough
C．too calm
D．not enough serious
