over everything whenever we want to make a decision many people believe and we will hav

问题补充：

over everything whenever we want to make a decision, many people believe, and we will have less chance of making mistakes.

A. To think

B. Think

C. Thinking

D. Thought

答案：

A. To think

(答案→)B. Think

C. Thinking

D. Thought

解析：考查固定结构。祈使句+连词+一般将来时态。所以选B。many people believe为插入语。