Помогите поставить правильную форму Present Perfect или Past Simple Interviewer: So why...

Question

Помогите поставить правильную форму Present Perfect или Past Simple


Interviewer: So why (1) did you apply / have you applied for this position?
David: Well, (2) for / since the last three years I have been working in an interesting, but very small, company, and I now feel ready to move on to a bigger challenge.

Answer 1

So why did you have you applied for this position?
Well for the last three years I have been working in an interesting but very small company and I now feel ready to move on to a bigger challenge