Revision involves clarifying purpose and meaning.
Although it was early the heart already hung heavy in the air.
I think it is D
Hope this help you?
The second choice is a fragment, not a complete sentence.
I believe the correct choice is number one, because if you turn the sentence around, it answers the question of why the crowd is gathered. You may want to confirm on the website chompchomp.com (Grammar Bites).
Answer:
djdudididididid Jake was a very good guy and was a good Night to be with you and
