Answer: Option C
Explanation: In simple words, abandonment of contractual obligations refers to the situation when one party fails or deny to preform an obligation that was agreed to be performed under a contract.
In such cases the party abandoning the contract also looses the right to earn the agreed consideration. In the given case, Better houses refuses to build the house in middle of the construction.
Hence we can conclude that the given case depicts abandonment of contractual obligations.