Answer:
Human uses of animals include both practical uses, such as the production of food and clothing, and symbolic uses, such as in art, literature, mythology, and religion. ... Animals serve as models in biological research, such as in genetics, and in drug testing.
He shouted,”help!” How is used in many ways but it is a verb
I think is B maybe not sure
A gerund ends in -<em>ing </em>
So I would say the last option- Her only regret is not dancing at the wedding.
