When We Use an Analogy That Represents the Expanding Universe

Multiple Choice

When we use an analogy that represents the expanding universe with the surface of an expanding balloon,what does the inside of the balloon represent?

A) It represents the center of the universe.
B) It represents the entire universe.
C) It represents regions of the universe beyond the Milky Way Galaxy.
D) The inside of the balloon does not represent any part of our universe.