What is the distinctive feature of Māori pronunciation where two identical vowels appear together, creating a lengthened sound, as in the word 'Māori' itself?

• A Macron (tohutō) indicates a long vowel ✓
• B The glottal stop separates identical vowels
• C Double vowels are always short
• D Identical vowels merge into a diphthong

In written Māori, the macron (tohutō) — a horizontal line above a vowel — indicates that the vowel is pronounced for roughly twice the duration of a short vowel, and it can change the meaning of words entirely.