Which one of the following will likely cause unexpected losses?

A$.$ Risks that are lumpy $($i$.$e$.$ in large blocks, such as very large loans$)$

B$.$ Correlated risk factors

C$.$ Systematic risk

D$.$ Uncertainty

E$.$ Unexpected negative shock $($e$.$g$.$ news$)$ to firm profitability.

A$,$B$,$C$,$D$,$E$.$

B$,$D$,$E$.$

C$,$D$,$E$.$

A$,$B$,$D$,$E$.$

E$.$