--What do you think of ____ boy that is in ______ red over there?

---Yeah! He is _____ honest boy. He likes playing ______ violin.

A．a; a; the; /

B．the; a; a; the

C．the; /; an; the

D．The; an; a; /

C-3位含有季铵基团，能迅速穿透细菌细胞壁的药物是（）

A.头孢氨苄

B.头孢克洛

C.头孢呋辛

D.硫酸头孢匹罗

E.头孢曲松