Answer:
I think C
Explanation:
because the narrator is telling what happened to themselves during that time. In other words, they are telling it from their own point of view
<span>Because the fire trucks arrived immediately, the house was saved.
the cause is the fire trucks arrived immediately</span>
Link a hypertext in form of a word or phrase
The correct way to punctuate is seen in b:
<span>To whom it may concern:
</span>
In formal settings and when you don't know the exact identity of the person a dresses it is usual to use a colon in this situation.