（84-85题共用题干）　　女性，45岁，自觉右颊粘膜粗糙感1个月，有时伴刺激痛。临床检查见双颊粘膜有网状白色条纹，右颊有粘膜充血

以下哪项还可作为本病的诊断依据

A．眼结膜充血

B．鼻充血

C．皮损有Wickham纹

D．外阴溃疡史

E．月经紊乱

Hospital staff burst into cheers after doctors completed a 20hour operation to have _________ one-year-old twins at the head.

A．isolated

B．separated

C．divided

D．removed