It's C. A and B are wrong.
Hi! :) The tone is the feeling the the author creates using their words. A writer can make a story feel scary if they use words that indicate that mood like if they described a hauted house. They would say that it is dark, makes creaking noises, abandoned, old, or mysterious. The tone of a story creates the setting and mood for the reader to relate to and feel more engaged with the story.
A. The verb tense is always present tense in this sentence unlike the others.
Answer:
your answer is a. hope it helps.