If we are not the progress we have made，we will have greater success.
A. interested in
B. strict in
C. popular with
D. content with
网友回答
A. interested in
B. strict in
C. popular with
(答案→)D. content with
解析：句意：如果我们队我们已经取得的进步都不满意，那么我们将取得更大的进步。be interested in对……感兴趣；be strict in在某方面要求严格； be popular with在某人当中受欢迎； be content with对……满意。根据句意故选D。