Adams Was Approached by a Mr

Adams was approached by a Mr. McCarthy of XYZ Co., who requested that Adams pay $10,000 to extinguish a debt owed by the partnership of Adams and Jefferson. Adams denied the partnership and the liability. In asserting his claim, McCarthy cited the following facts all of which he could prove. Which of these facts is the strongest evidence of the existence of a partnership?

A) That Adams and Jefferson co-owned property.
B) That Adams and Jefferson shared the profits from a business.
C) That Adams received a commission from Jefferson based on the sale price of the goods sold by Adams for Jefferson.
D) That Adams and Jefferson worked together for a non-profit charity.
E) That Adams and Jefferson shared gross returns from a business.