Cathy and Mel entered into a contract where Cathy was to steam clean seven rooms in Mel's house at $200 per room. After cleaning three rooms. Cathy abandoned the job for a more valuable contract. Which of the following is true? (A) As there has been substantial performance. Cathy will be able to enforce all the rights conferred by the contract (B) If the exact performance rule is applied. Cathy is entitled to payment for the work she has done (C) If the contract is divisible. Cathy is entitled to payment for the work she has done (D) Courts are inclined to treat contracts as indivisible and to require exact performance.