It’s because he is in a hopeless situation, ______we will keep a very close eye on, ______ he looks depressed.

A．where, that

B．when, which

C．that, why

D．which, that

男，30岁。气管向左侧移位，右胸叩诊呈鼓音，最可能的诊断是

A．气胸

B．肺气肺

C．肺实变

D．胸腔积液

E．支气管哮喘