选A,given out
give out 用完 主语为物,
e.g.The food supplies will give out at the end of the week.食物供应在这周末将用完.
use (sth) up 用尽（材料等）,设法利用（剩余的材料和时间）主语一般为人
e.g.I've used up all the glue.我把胶水全用光了.