—We can use QQ to communicate with each other online.                            

—Good. Will you please show me ____________? [ ]

A. which to use  

B. how to use it  

C. what to use  

D. where to use it

慢性肥厚性咽炎局部可表现为（）。

A.咽粘膜弥漫充血增厚

B.咽后壁淋巴滤泡增生呈粒状或片状

C.咽侧索充血肥厚

D.扁桃体肥大

E.以上都是