Believe it or not. My grandpa, 95 years old now, ______World WarⅡ. [ ]

A. went across

B. passed through

C. went through

D. went by

气管插管适应症哪项正确。（）

A、在全身麻醉时对难以保证病人呼吸道通畅者

B、全麻药对呼吸有明显抑制或应用肌松药者

C、呼吸衰竭需要呼吸支持治疗者

D、急救复苏者

E、以上都是