What does the last sentence in the 3rd paragraph mean according to the passage?
A.
The patient is seriously iii because of lack of water in the well.
B.
The patient can be saved if he has enough money to solve the financial problem.
C.
It's too late for small business owners to realize the gravity of the problem because they have used up their money.
D.
It's urgent for small business owners to pour all their money into the enterprise to revitalize their business.