One of the Differences Between Stock and Mutual Insurers Is

One of the differences between stock and mutual insurers is that

A) a stock company is a corporation, but a mutual is not,
B) a stock company never issues assessable policies,
C) a stock company pays no dividends to policyholders,
D) organizers of a stock company expect a profit, while organizers of a mutual company do so purely on altruistic grounds,
E) a stock company deals through independent agents, while mutuals do not.