The correct answer is A) true.
It is true that Moral Law theorists regard ethical value-statements as statements about moral character, not as statements about some alleged moral law.
Theorists and scholars affirm that ethics is the study of the moral act of humans. Moral has to do with the duality of good and bad in life. So moral character is the foundation of Ethics. There are no laws that appeal or enforce morals, which is part of the inner decision of humans on how to act.