It was almost eight years Iater the young man got his doctor's degree and became an engin

问题补充：

It was almost eight years Iater the young man got his doctors degree and became an engineer.

A. since

B. when

C. before

D. that

答案：

A. since

B. when

C. before

(答案→)D. that

解析：考查强调句型。句义：八年之后那个年轻人得到了他的毕业证成为了一名工程师。把握关键词：it was ….,首先考虑强调句型，填that,去掉it was that之后句意完整，所以D正确