Choose the closest paraphrased version after each of the following sentences or the italicized part. Blacken the letter corresponding to your choice on the answer sheet.
From the lifeboat's stern, where I'd sat most of the twenty days of our drifting, I could keep them all covered.（）
A、
…they were all within my hearing range
B、
…I could aim my gun at each of them
C、
…they were all under my protection
D、
…could keep an eye on all of them
【正确答案】：B
【题目解析】：
句子释义：从救生艇的尾部，我可以把他们全纳入我的射程之内，在我们漂浮的20天里，大部分时间我都坐在船尾。keep sb. covered意为“（用枪）一直瞄准某人”。
B选项“我能够用我的枪瞄准他们每一个人”符合题意。