He told the interviewer that he had run out of money to buy old bikes.

A．put away

B．turned off

C．taken out

D．used up

我国发射“嫦娥三号”运载火箭，运载火箭采用液态氢做为火箭的燃料，原因是液态氢具有（   ）

A较大的比热容   B较低的沸点

C较大的热值  D较高的凝固点