— Must I stay here with you?

— No, you ______. You may go home, but you ______ go to the net bar. [ ]

A.mustn't, needn't

B.needn't, mustn't

C.must, need

D.need, must

发现猩红热患儿应进行呼吸道隔离直至( )

A．临床症状消失

B．周围血白细胞总数正常

C．无并发症发生

D．连续3次咽拭子细菌培养阴性

E．手掌皮肤开始脱屑