What is the name of the Mayan language with the most speakers, which uses a vigesimal (base-20) number system expressed through classifiers that change depending on the shape of the object being counted?

• A Tzotzil
• B Chol
• C Huastec
• D Yucatec Maya ✓

Yucatec Maya, spoken by over 800,000 people on the Yucatan Peninsula, uses numeral classifiers — a typologically rare feature in the Americas distinct from measure words.