How does the author's use of the phrase "efface one's own personality" affect the tone

The letter C is the righr answer.

Explanation:

The author does not criticize or accuse anything in this sentence, for this reason the letters A and B are wrong. The sentence also does not present a dramatic tone because it does not present any event or situation with emotional intensity, which can be represented, for that reason the letter D is also wrong.

For this reason, we can conclude that the letter C is correct. The author uses a cautious tone, to create a more intimate environment and provoke a reflection between the reader.

actually the answer would be c.) jane addams worked hard to improve the lives of less fortunate people.