Which of the Following Statements Is TRUE Regarding the Disposal

Which of the following statements is TRUE regarding the disposal of shares by a shareholder?

A) The sale of shares to the corporate treasury is not allowed in the Income Tax Act.
B) When a shareholder sells shares to other shareholders, the corporation's capital base increases.
C) The sale of shares to other shareholders is known as a 'buy-back'.
D) The sale of shares to the corporate treasury may result in a deemed dividend and a capital gain or loss to the shareholder.