“全选”命令的快捷键是_____。

A.地塞米松
B.庆大霉素
C.氨茶碱
D.糜蛋白酶
E.乙酰半胱氨酸

A．Stop the car and go into the restaurant.
B．Eat it at home.
C．Eat it in the office.
D．Go to a fast-food place with drive-in facilities.