Lack of Mutual Agency Is Best Described as Which of the Following

Lack of mutual agency is best described as which of the following?

A) The liabilities of the corporation cannot be extended to the personal assets of the stockholder.
B) Shares of stock can be readily purchased and sold by investors on an organized stock exchange.
C) Stockholders are not authorized to sign contracts or make business commitments on behalf of the corporation.
D) Corporations pay income tax on corporate earnings, and shareholders pay income tax on corporate dividends.