The correct option is B unlimited
Unlimited liability is an indefinite extent of liability to pay a firm's debts , extent of liability to pay a firm's debts, extending beyond the investment put in the business. Every partner in a partnership has unlimited liability for all of the partnership debts . It is very much like a sole proprietor's unlimited liability but one crucial difference you are now personally responsible for debts of the business, even if you had nothing to do with creating them.