As long as we could look forward to getting a drink [of that water] later， there was something to live for.

As long as we could look forward to getting a drink [of that water] later， there was something to live for.
A、We were all eager to drink that water.
B、We shouldn"t just live for a drink of water.
C、If we had drunk up the water， we would be dead.
D、We needed something to live for， even just for a drink of water.
正确答案：D