脊柱损伤伤员的正确搬运方法是（）.

A.二人分别抱头抱脚平放于硬板上后送

B.二人用手分别托住伤员头肩、臀和下肢，动作一致将伤员搬起平放于门板担架上后送

C.一人抱起伤员放于门板担架上后送

D.二人用手分别托住伤员头、肩、臀和下肢，平放于帆布担架上后送

E.无搬运工具时可背负伤员后送

—What did the teacher say just now?

—Sorry, I didn’t hear it. I          out of the window.[ ]

A. look

B. looked

C. am looking

D. was looking