对于特发性血小板减少性紫癜患者，下列不正确的是

A．血小板平均体积偏大

B．血块收缩不良

C．血小板聚集功能减弱

D．出血时间延长

E．血小板生存时间缩短

If the patient vomits during mouth-to mouth resuscitation，the rescuer should FIRST（）.

A.ignore it and continue mouth-to-mouth ventilation

B.pause for a moment until the patient appears quiet again，then resume ventilation mouth-to-mouth

C.switch to mouth-to-nose ventilation

D.turn the patient's body to the side，sweep out the mouth and resume mouth-to-mouth ventilation