--May I speak to your manager at four o’clock this afternoon?

--I’m sorry. He ________ to a conference long before then.

A．will have gone

B．had gone

C．would go

D．has gone

癫痫患者发作时应注意()

A．压住抽搐肢体，以免坠地

B．口腔内放牙垫，以免咬伤舌头

C．喝水避免失水

D．注射抗抽搐剂

E．立即喂抗癫痫药