Read the following excerpt from “Raymond’s Run” and answer the question.

“I always win cause I’m the best,” I say straight at Gretchen who is, as far as I’m concerned, the only one talking in this ventriloquist dummy routine.

Why does Squeaky use the term “ventriloquist dummy” in this excerpt?

A.)Gretchen feels alone when she speaks to Squeaky.
B.)Gretchen is practicing her ventriloquist act for May Day.
C.)Squeaky is implying that Gretchen is stupid, hence the use of the word "dummy."
D.)Squeaky feels that Gretchen’s friends do not think or speak for themselves, much like a ventriloquist dummy.