The restriction on the building to prevent sale to persons of a particular race means it is unenforcable but the sale can go through.
Restrictions like this are unconstitutional because it is promotes discrimination of some race.
.
Therefore, the Option C is correct.
Missing options includes "A. valid and enforceable B. unenforceable so the contract is void C. unenforcable but the sale can go through D. enforceable if the buyer agrees"
Read more about House agreement
brainly.com/question/1860153