A or B I think , hope you get food grades <3
Answer: tone
Tone is the attitude an author expresses through words.
Some people would think that the answer would be mood, but mood would be a whole different example. Mood is the attitude through signs of face and actions, tone is by the voice or the words from mouth.
If I understand your question correctly, the voice in a text is the dialogue, tone, narrator, or the characters. It can be the mood, tone, and the point of view of the characters, author, and the narrator.
Answer: A
She is hiding her feelings for someone else.