The best answer would be
A : Both the dogs were clean and fresh-smelling after they were groomed.
Hope this helps :)
1. The word that should be followed by a comma is D. Dan.
2. The word that should be followed by a comma is D. yesterday.
3. The word that should be followed by a comma is A. Moreover.
4. The word that should be followed by a comma is B. truth.
5. The word that should be followed by a comma is D. hand.
6.The word that should be followed by a comma is B. Zoe.
I think he travels by boat