It is only when the disease has progressed to the AIDS ____ a person begins to look sick.

A．which

B．what

C．who

D．that

耳的检查应注意

A．外耳道分泌物

B．乳突压痛

C．耳郭缺损及听力情况

D．邻近部位的炎症

E．邻近部位的畸形