—Jim, it's time to go to school. Get up and have breakfast.

—But I am not feeling _____. I don't feel like _____ anything. [ ]

A. bad, eating

B. well, eating

C. good, to eat

急性CO中毒时的特征性体征是

A．杵状指

B．口唇发绳

C．呼吸困难

D．口唇、黏膜樱桃红色