Becky took a photo of her friends while they _________ computer games.

A．play

B．are playing

C．were playing

D．have played

某患者突遇车祸死亡，死前2周曾被诊断为“脂肪肝”。

该死者肝脏大体观及镜下观如图所示，肝脏发生了哪种变性（）。

A.脂肪变性

B.气球样变

C.玻璃样变

D.淀粉样变

E.黏液样变