"Rather Than Creating a True Opportunity, They Assume That Since

"Rather than creating a true opportunity, they assume that since they love something and they want to work in a related business, they can make money."- this is the description of which Management Problem

A) Failure to anticipate or control costs.
B) Starting a business based on an idea or hobby
C) Human resource problems.
D) Failing to execute a business plan.
E) Trying to grow too quickly.