I feel it hard to keep up with my classmates. But whenever I want to , my teacher always e

I feel it hard to keep up with my classmates. But whenever I want to , my teacher always encourages me to work harder.
A. give in
B. give back
C. give out
D. give up

A. give inB. give backC. give out(答案→)D. give up解析：give in 屈服，交上；give back 归还，恢复；give out 分发，用尽； give up放弃，交出。句意：我感觉很难跟上我的同学们。但是一当我想要放弃时，我的老师总是鼓励我努力学习。故选D。

这个解释是对的