—Look, I'm sorry to trouble you about this, the music is really _____.

—Sorry, I didn't think you could hear it. [ ]

A. loud

B. quiet

C. beautiful

D. terrible

察鼻时，肺闭的特点为

A．鼻塞流涕
B．鼻孔干燥
C．鼻翼煽动
D．鼻孔出血
E．鼻涕浊臭