You Are on Vacation in the Canadian Rocky Mountains and You

You are on vacation in the Canadian Rocky Mountains and you observe that a massive forest fire has burned all the trees off the side of the mountain and sterilized the soil,leaving no topsoil.The type of succession that occurs following this type of fire is

A) secondary succession.
B) tertiary succession.
C) primary succession.
D) primary soil leaching.
E) facilitated succession.