What does the name ‘Irohazaka’ refer to in Japanese culture and language?

A A type of festival
B An old syllabary
C A mountain range

Fact: The name ‘Irohazaka’ is derived from the archaic Japanese syllabary ‘Iroha’ which means the road consists of 48 hairpin bends, each paired with a character from this alphabet.

Correct Answer: An old syllabary