Eric received training in computer for one year he found a job in a big company.A. after

问题补充：

Eric received training in computer for one year, he found a job in a big company.

A. after that

B. after which

C. after it

D. after this

答案：

A. after that

(答案→)B. after which

C. after it

D. after this

解析：after which引导定语从句,which代替前面所说的接受电脑培训一年这件事，表示“从那以后他在一家大公司找到一份工作”。