__his job at the university ,he's now running his

你好，同学

正确答案：选A. in addition to 除了....之外

即：In addition to his job at the university, he's now running his own research company.

翻译：除了在大学的工作，他现在在经营自己的研究公司。

解析：in addition (to sb/sth): as an extra person, thing or circumstance 加之,除...外. 如：

In addition (to the names on the list) there are six other applicants.

除此(名单上的名字)之外，还有六个申请人.。

except (for sb/sth);(that...) not including (sb/sth);but not 除了(某人/某事物)之外(表示所说的不包括在内) 如：

I can answer all the questions except for the last.

所有的题我都会答，只是最后一题不会。

希望能帮到你，祝更上一层楼O(∩_∩)O
有不明白的请继续追问，可以详谈嘛(*^__^*)追问

"I can answer all the questions except for the last."不是用except?except:不是用于"排除"的部分与前面所述整体属同类吗?
in addition except for except 三个词的区分还是有点不明白,求解...