The Courts Have Very Broad Powers to Enforce or Not

The courts have very broad powers to enforce or not enforce certain types of contracts.Which of the following statements best describes this power?

A) Contracts that are contrary to public policy are well defined by statutes.
B) The determination of what is unconscionable is very well established and follows very clear standards.
C) Exculpatory clauses and noncompete agreements sometimes violate public policy and sometimes do not.
D) To be contrary to public policy,the contract must violate a statute.