–With the final examination approaching, I’m getting anxious. As a consequence, I have no appetite for anything and even can’t fall asleep.

-- Don’t worry. Things will pick up if you ____ yourself.

A．trust

B．rescue

C．sacrifice

D．relax

男性，30岁，既往有贫血，2日来突然高热头痛呼吸困难，尿量100ml/d，血压12/6kPa，血红蛋白40g/L，网织红细胞12%，CO2CP l7mmol/L，BUN l4mmol/L其诊断为

A．感染中毒性休克

B．慢性肾炎急性发作

C．感染中毒性肾功不全

D．急性溶血性贫血伴肾功不全

E．以上均不可能