Answer:
The correct answer is letter "B": Violation of the business judgment rule.
Step-by-step explanation:
Violation of the business judgment rule applies when stakeholders of a corporation plead fraud, breach of trust, conflict of interest, corruption, bad faith against the firm's manager. The business judgment rule is based on the principle that executives must act in good faith according to the purposes why the stockholders have selected them.
In News Corp. case, investors have enough reasons to doubt Rupert Murdoch's activities for influencing his daughter's company to be purchased by News Corp. and letting her be part of the Board of Directors.