--- Nancy? You have straight hair !

--- Yeah, it _____ be curly.

A．wanted to

B．loved to

C．used to

D．helped to

该病人治疗过程中不能用的药物是

A．新斯的明

B．溴吡斯的明

C．肾上腺皮质激素

D．硫唑嘌呤

E．氨基苷类抗生素