Abigail, Ethan, and Liam are in a grammar class. The teacher asks, ‘What is a simple sentence?’ How should they respond?

A. ‘A sentence with a compound subject, like Ethan and Liam playing football.’

B. ‘A sentence with a compound predicate, like Abigail sings and dances.’

C. ‘A sentence with one subject and one predicate, like Ethan reads.’

D. ‘A sentence with multiple subjects and predicates, like Abigail and Liam play football and basketball.’