Choose the closest paraphrased version after the following sentence or the italicized part.

​It [sleepiness] filled my brain like a cloud. I was going, going... （ ）

Choose the closest paraphrased version after the following sentence or the italicized part.

​It [sleepiness] filled my brain like a cloud. I was going, going... （ ）

A.

Due to sleepiness, I was not aware that I had lost my sense of direction. 

B.

I was almost overcome by sleepiness and would doze off any moment. 

C.

I was trying hard to beat back sleepiness so that I could keep moving. 

D.

Sleepiness made me relaxed, as if I were walking under a cloud.

正确答案是B