Reasons for executive derailment include:

a. insensitive, abrasive, intimidating, bullying style.

b. good people skills.

c. overmanaging: unable to delegate or build a team.

d. both insensitive, abrasive, intimidating, bullying style and overmanaging: unable to delegate or build a team

Option "D" is the correct answer to the following question.

Explanation:

There can be many reasons to derail the executive in any business.

The main reasons include personal sensitivity. It involves managers' inappropriate behavior towards workers.

The inability to form a team due to some unskilled managers is also a major reason. No business wants to remove their skilled workers from the business, hence the correct answer to the question would be Option "D".