The story does not say this, but from what we have read, we can tell that ______ .A．you ge

The story does not say this, but from what we have read, we can tell that ______ .

A．you get much hungrier in space than you do on the earth

B．you can't have water to drink in a spaceship

C．astronauts must learn many new and different things

D．you can't eat anything in a spaceship