I think _necessary to take more exercise.A. it for Jim and meB. it’s to Jim and meC. th

问题补充：

I think _necessary to take more exercise.

A. it, for Jim and me

B. it’s, to Jim and me

C. that , for Jim and I

D. that’s, to Jim and I

答案：

(答案→)A. it, for Jim and me

B. it’s, to Jim and me

C. that , for Jim and I

D. that’s, to Jim and I

解析：句意：我认为多做一些锻炼对我和吉姆来说很必要。本句中it做think的形式宾语，指代下文不定式内容，for后面接指人的对象，介词and后面用人称代词宾格，故选A。