Micah is aware that COVID-19 is spreading in his community and has an auto-immune condition that makes it very risky for him to be exposed. He has arranged to work from home, order groceries to be delivered, and only leaves the house to get fresh air and exercise when no one else is around him. What kind of risk management is Micah practicing with this decision?

A. Risk avoidance B. Risk manipulation

C. Risk assumption

D. Transfer of risk