First person point of view reveals the thoughts and senses of the speaker only, the first person is one of the story's characters, they serve as the narrator and readers watch the story unfold through that character's eyes. First person point of view is easy to identify because the character or narrator speaks to readers in his or her own voice, frequently using the pronoun 'I'.
The answer that you are looking for is C
ANSWER:
spread and prevent is the answer.
In eating an ice cream, the author caution us in letting the cashier hand to us other people's cones because technically it might get dirty or contaminated because the cashier is in charge of the store’s money. So we must be cautious about it.