The best way to make a kid to be independent is to put him in a position _______ he has no one else to refer to ．  

A．that

B．what

C．where

D．which

下列球形肺炎影像，哪项不对（）

A.动态观察，病灶形态变化快

B.边缘模糊不清的球形病灶

C.多数密度均匀

D.空泡征

E.边缘波浪状，可有粗长毛刺