ABC Inc. is a publicly traded corporation that operates in the technology sector. The company's board of directors has recently come under scrutiny for allegedly mismanaging the company's finances, leading to a decline in the stock price. A group of shareholders is considering bringing a lawsuit against the board of directors.

The board may claim the protection of the business judgment rule if the board performed its duties $\_\_\_\_\_.$

A$.$

using the best information available

B$.$

acting upon a rational or reasonable belief

C$.$

doing actions in the best interest of the corporation

D$.$

All of the Above