---Have you got your new job yet, Bob?
---Kind of. But the interviewer said they needed a reference from my former employer _____ they could give me a definite offer.
A. until B. when C. once D. before
---Have you got your new job yet, Bob?
---Kind of. But the interviewer said they needed a reference from my former employer _____ they could give me a definite offer.
A. until B. when C. once D. before
D
考查状语从句中连词的选择。根据题意可知，before符合语境，即他们在给我一个肯定的答复之前，需要从我以前的老板那里了解一些情况。其它几项不合语境。