Answer:
A
Explanation:
Let me start with why it isn't C. C is true but it's not more important than what A says. A talks about how Martin and Kennedy agree with their words which is what the question asks.
Answer:
An avalanche happened when a huge area of snow melted.
Explanation:

Allusion is illustrated through the entire poem.
Allusion is an brief and indirect reference to a place, person, thing, or idea of historical, culture, political significance, or literary.
Furthermore allusion doesn't describe in detail the person or thing it refers to.
Hope I helped ;)
Answer:
I'd say quotation marks and bold or what you have selected which would be italics