Answer:
Quick is an adjective.
Explanation:
done, proceeding, or occurring with promptness or rapidity, as an action, process, etc.; prompt; immediate: a quick response. that is over or completed within a short interval of time: a quick shower. moving, or able to move, with speed: a quick fox; a quick train.
It's definitely B. It's only Boston that has to be capitalised as it is the name of a town.
C. The people advertisers hope to reach
