The correct answer is B. pre-emptive right.
A pre-emptive right is the right of existing shareholders to purchase new shares of a company’s stock before they are offered to the public. This right is designed to protect existing shareholders from being diluted by the issuance of new shares.
A common right is a right that is shared by all shareholders, regardless of their class of stock. Common rights include the right to vote, the right to receive dividends, and the right to share in the assets of the company in the event of liquidation.
A purchase right is a right that is granted to a specific group of shareholders, such as employees or directors. Purchase rights allow these shareholders to purchase new shares of stock at a discount.
A selling right is a right that is granted to a specific group of shareholders, such as employees or directors. Selling rights allow these shareholders to sell their shares of stock back to the company at a specified price.