Thank you for your help Linda. You made possible for us to finish the work in time.A. th

问题补充：

Thank you for your help, Linda. You made possible for us to finish the work in time.

A. this

B. it

C. them

D. that

答案：

A. this

(答案→)B. it

C. them

D. that

解析：句意：谢谢你的帮助，琳达。你使我们可能及时的完成了工作。It 在此做形式宾语，真正的宾语为to finish the work.故选B