Which two sentences contain verbals that function as adjectives?

a. some people who do not enjoy speaking publicly are often quite vocal around those they know well.

b. ignoring the advice of her editor, the writer published her essay without making additional revisions.

c. even though he wished that he didn't have to move so often, the new student enjoyed meeting new people at different schools.

d. waiting in line to eat at the new restaurant grew tedious, and the group of friends decided to go somewhere else.

e. despite the many rehearsals they had gone through, the actors felt nervous on opening night.