Systemic Risk Is a Factor in the Current Banking System

Systemic risk is a factor in the current banking system. What does this mean?

A) The collapse of the largest ten banks worldwide could result in the collapse of the entire financial system.
B) The collapse of a single megabank could result in the collapse of the entire financial system.
C) The collapse of the entire community banking system could result in the collapse of the megabanks.
D) The collapse of the larger megabanks could result in the collapse of the community banks.