What is the opposite of waive?

What is the opposite of waive?
Past Papers: Punjab Police Assistant Sub Inspector — Past Paper MCQs
A: Yield
B: Renounce
C: Demand
D: None of these

Demand is the opposite of waive which means to relinquish a right. This question tests vocabulary skills in English exams. Demanding asserts a claim contrasting with waiving. Antonyms enhance legal and formal clarity.