Treasury stock shares . unissued shares that are held by the treasurer of the corporation.b. part of the total outstanding shares but not part of the total issued shares of a corporation.c. shares held by the u.s. treasury department.d. issued shares that have been reacquired by a corporation.

The correct answer is letter "D": issued shares that have been reacquired by a corporation.

Explanation:

Treasury stock is a company's own stock that is held in its treasury for later years. Often, a company purchases its treasury stocks on the open market. Treasury stocks may also exist because the issuing company did not sell all of its outstanding shares. Some were held back for later years to raise additional cash or to prevent a hostile takeover.