The answer would be C. “The old timer had been very serious...”
I think it would be best if you write it yourself, that way it sounds more original and you won’t have to worry about plagiarism. But that’s just my opinion. But, some of my advice would be to use a website called Grammarly, it’s super helpful for this sort of thing. :). Sorry this wasn’t the answer you wanted.
The section provides information on how to prepare yourself in the event volcanic eruption.
Have a great day.
It will help you.
What kind of danger???? Like drowning oR something