–Well, where did you spend your night that day?  --At __________.

A．where it is called Grand Hotel

B．what is called Grand Hotel

C．which is called Grand Hotel

D．that is called Grand Hotel

（25-27题共用题干）　　女，25岁，左上后牙烤瓷冠修复半年，近1个月来自觉刷牙出血，龈 * * 呈球状增生，质松软，烤瓷冠边缘位于龈下。

最有可能的诊断是

A．增生性龈炎

B．药物性牙龈增生

C．青少年牙周炎

D．青春期龈炎

E．妊娠性龈炎