Respuesta :
I would suggest B.) Solemn, because he sounds very formal and dignified.
Answer: B) Solemn.
Explanation: The tone of a text or sentence is the author's or speaker's attitude towards the audience, the subject or even the characters of the text. There are many different kinds of tones, like: positive, negative, objective, sad, angry, etc. In the given line, Editha's father is speaking in a solemn tone, because he is being very formal and seems truly sincere (he is introducing himself in a very polite way).