My pain _______ apparent the moment I walked into the room, for the first man I met asked sympathetically， “Are you feeling all right?”

A．must be

B．must have been

C．should have been

D．could have been

肺结核痊愈的表现不包括（）

A、痰菌持续阴性

B、血沉恢复正常

C、结核毒血症消失

D、结核菌素试验转阴

E、以上都不是