How is the passion of Armand Aubigny (and all the other Aubignys) like an avalanche or a prairie fire?

A) Both an avalanche or a prairie fire can potentially kill a person or several people.

B) An avalanche and prairie fire are both natural disasters; so is Armand Aubigny's love.

C) Sometimes his passion is cold (like an avalanche) and sometimes it's hot (like a prairie fire).

D) Both Armand's love and a prairie fire and avalanches overpower and overcome everything in their path