Knowledge and learning are important if we want to be successful, but they may also our thinking.
A. direct
B. limit
C. change
D. improve
网友回答
A. direct
(答案→)B. limit
C. change
D. improve
解析：动词辨析。Direct管理，指挥 limit限制 change 改变 improve提高
句意为，知识和学习都很重要，如果我们想要成功，但是他们也可能限制我们的思考。