She felt ________ awkward because of her bad performance on the stage.

A．extremely

B．actually

C．frequently

D．exactly

下列作用不属于水解反应的是 [ ]

A．吃玉米面饼时，多咀嚼会有甜味

B．油脂与烧碱共热可制得肥皂

C．淀粉和稀硫酸共热一段时间后，滴加碘水，溶液不显蓝色

D．不慎将浓硝酸沾在纯毛毛衣上，毛衣会出现黄色斑块