根据句意和首字母提示，完成句中所缺单词。

1. T______he is a child he knows a lot.  

2. The twins have some things in c______.

3. Here we have more i______about the basketball player.

4. Sometimes my friends and I have o______views.

5. The girl never stops talking. She is more o______than her mother.

下列哪项符合低钾血症

A．临床上常表现为精神亢奋，肢体抽搐

B．严重时可发生室性心动过速，甚至室颤

C．心电图表现为T波高尖，呈帐篷样

D．常伴有代谢性酸中毒