Cynthia is not ashamed of what she does, even if she doing something wrong.
A. keeps up
B. puts up
C. ends up
D. stays up
网友回答
A. keeps up
B. puts up
(答案→)C. ends up
D. stays up
解析：考查词组：A．keeps up维持，B．puts up树立C．ends up结束D．stays up熬夜，句意是：Cynthia对她做得事不是很羞愧，即使她最终做了错事。选C。