—What _____ honest boy Jack is!      

—Yes. We all like him.       [ ]

A. a          

B. /            

C. an        

D. the

喉炎出现( )

A．干咳
B．嘶哑性咳嗽
C．金属音调咳嗽
D．变换体位时咳嗽
E．犬吠样咳嗽