Choice "C" is correct. The warranty of title is a guarantee from the seller that the goods are delivered free of all liens of which the buyer is unaware.
Choice "b" is incorrect. The warranty of title can be disclaimed by specific language or circumstance.
Choice "a" is incorrect. The warranty of title arises automatically in every sale of goods; it need not be in writing.
Choice "d" is incorrect. The warranty of title arises automatically in every sale of goods; even when the seller is not a merchant.
