Social psychologists say people deceive themselves in an unconscious effort to boost self-esteem or feel better.The underlined word “boost” is closest in meaning to （）.

Social psychologists say people deceive themselves in an unconscious effort to boost self-esteem or feel better.The underlined word “boost” is closest in meaning to （）.
A.perform
B.influence
C.improve
D.remain
正确答案：improve