The answer is the letter A
What does that even mean???
traffic jams slow you down and people just want to get where they need to go so the speed makes it unbearable.
The best way to put this answer in is blew is a adverb is describes the way he blew the whistle
The answer is B. "The coffee shop was usually full" and "Today there were many open tables" are both independent clauses joined together with the coordinating conjunction "but" :)
D. It doesnt give any reasons and its kinda incomplete.