Why did you choose your major?Do you have any regrets?

你选择你的主修课目的原因是什么?你有后悔过（做这个决定）吗?
【我的答案应该是正确的,英语讲究翻译通顺,而不是那几位那样直接把表面意思翻译过来,读起很拗口.希望对你有所帮助】

你为什么选择这个专业？ 有没有什么遗憾？

应该是写作吧。
When I was admitted to the university I chose Machinery department .Because I want to work in technical field.
As far as I 'm concerned ,learning technics is the most usefull and full of attraction.
Now I like my mayor very much.I have no regret .

为什么你会选择你的主修目, 你又没有感到后侮