creatively we must be able to look afresh at what we normally take for granted.A. Thinkin

问题补充：

creatively，we must be able to look afresh at what we normally take for granted.

A. Thinking

B. To think

C. Having thought

D. Think

答案：

A. Thinking

(答案→)B. To think

C. Having thought

D. Think

解析：此题考查非谓语动词。句意：为了更有创造性地思考，我们必须能够重新看一下我们想当然地认为的事情。由句意可知，空白处缺少的是目的状语，而目的状语只有不定式才能充当，所以B项正确。