My favorite part of the conference ? Going out to dinner * with a few folks including a local ( Bay Area ) cheesemaker . The restaurant had family style seating and we were seated next to a local chef .
According to the above context, choose the best option to answer the following question.
Question: What may be a fact about their trip ?
Options:
A. They had went with their bosses .
B. They had went to a local conference .
C. They are on a long stay business trip .
D. They were on a business trip .


D