By the end of this year, 160 new students ___ in the English Department of this world famous university．

A．have enroll

B．will have enrolled

C．have been enrolled

D．will have been enrolled

药源性疾病是

A．严重的不良反应

B．停药反应

C．较难恢复的不良反应

D．变态反应

E．特异质反应