Choose the closest paraphrased version after each of the followi

Choose the closest paraphrased version after each of the following sentences or the italicized part.
As long as we could look forward to getting a drink [of that water] later, there was something to live for.
A、We needed something to keep us alive, even just a drink of water.
B、The possibility of getting a drink of water kept us alive.
C、We were all eager to have a drink of that water.
D、We shouldn't just live for a drink of water
【正确答案】：B