What is the traditional Thai system of pronominal reference that encodes relative social status between speakers?

• A Grammatical gender marking
• B Pronoun system based on kinship ✓
• C Honorific prefixes
• D Verb conjugation

Thai uses a complex system of first and second person pronouns that encode age, status, intimacy and gender, with dozens of possible pronouns rather than simple 'I' and 'you'.