In face of failure, it’s the most important to a positive state of mind.
A. pick up
B. make up
C. keep up
D. put up
网友回答
A. pick up
B. make up
(答案→)C. keep up
D. put up
解析：考查词组：A. pick up捡起B. make up弥补C. keep up维持D. put up张贴，句意：面对失败，保持一种积极的精神状态很重要。选C。