【题目】If we are not ________ the progress we have made, we will have greater success.
A. interested inB. strict inC. popular withD. content with
在线课程【答案】D
【解析】
试题分析：考查短语辨析。be interested in对……感兴趣；be strict in对……严格；be popular with在……当中受欢迎；be content with对……满足。句意：如果我们对我们取得的进步不满足，我们将会取得更大的进步。故选D。