Answer:
The answer is B. Shareholders
Step-by-step explanation:
The owners of the company (shareholders) appoint the board of directors for check and balance and to protect their interests. Appointing board of directors is one of the criteria of good corporate governance.
Because there is usually what we call agency problem whereby the agents(company's management) tends to go for their interest at the expense of the principal's(shareholders), board of directors are appointed for check and balance