----How about your trip to Hainan?

----It couldn’t have been _____. Sometimes I went swimming in the sea; sometimes I lay on the sand.

A．so well

B．as bad

C．better

D．worse

哪项不是湿哕音的听诊特点

A．于吸气时或吸气终末较为明显，有时也出现于呼气早期

B．部位较恒定

C．性质易变

D．中、小水泡音可同时存在

E．咳嗽后可减轻或消失