Answer:
d. a failure of succession management.
Explanation:
Since in the given situation it is given that the CEO of the company killed in the airplane crash and other than him there was no one who is well qualified for the post of the CEO or chairman so this situation represent that there is the failure of the management when some higher authority is not there to direct them or seeing their performance aslo it is now very difficult to attain the company goals and objective
Therefore the option d is correct