In the face of difficulties and drawbacks we should learn to comfort ourselves and our hi

问题补充：

In the face of difficulties and drawbacks, we should learn to comfort ourselves and our high spirits all the time.

A. keep up

B. go up

C. pick up

D. hold up

答案：

(答案→)A. keep up

B. go up

C. pick up

D. hold up

解析：keep up 的意思为 “继续保持”，与 spirits搭配，表示 “保持精神；保持高昂兴致”。go up上升；pick up拾起；学到；获得；hold up阻碍。