How does the binary numbering system differ from the hexadecimal numbering system?

AThe binary system is Base 2 and the hexadecimal system is Base 10.
BThe binary system is Base 2 and the hexadecimal system is Base 16.
CThe binary system is Base 10 and the hexadecimal system is Base 16.
DThe binary system is Base 16 and the hexadecimal system is Base 2.