Which indigenous language of Sabah, from the Dusunic branch of Austronesian, has a standardised educational syllabus and radio broadcasts?

• A Murut
• B Kadazandusun ✓
• C Bajau
• D Suluk

Kadazandusun (also written Kadazan-Dusun) is the largest indigenous language grouping in Sabah and is taught in primary schools under the Pupil's Own Language programme.