Answer:
I see a Gerund which would be 'skiing'. I say this because skiing is a verb, but in this sentence it is a present noun. So the answer here would be;
A. gerund
Explanation:
When talking to a friend - eres
When talking about yourself - soy
1 - eres
2 - soy
3 - eres
4 - eres
5 - soy
6 - soy
