A contract is said to be discharged by rescission:

A. When terms of a contract are altered

B. When a party makes novation of a contract

C. When an aggrieved party exercises his option to avoid the contract

D. When a party to a contract waives his rights under the contract

E. Where none of the parties has performed its part for a long time and no other party has objected against it

Choose the correct answer from the options given below: