Find the Domain and Range

Multiple Choice

Find the domain and range.
-pets at home

A) Domain: { cat, dog } ; range: { Alice, Brad, Carl }
B) Domain: { Alice, cat } ; range: { Brad, Carl, dog }
C) Domain: { Alice, Brad, Carl, cat, dog } ; range: { Alice, Brad, Carl, cat, dog }
D) Domain: { Alice, Brad, Carl}; range: { cat, dog }