Pls hurry

read the following excerpt of muir's "calypso borealis" and answer the question.

i wrote to the professor, telling him about this meeting with calypso, and he sent the letter to an eastern newspaper [the boston recorder] with some comments of his own. these, as far as i know, were the first of my words that appeared in print.

which word best describes the tone of this excerpt?

frustrated
overjoyed
proud
straightforward

D) Straightforward.

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. From the given options, the word that best describes the tone of the excerpt, is the corresponding to option D: straightforward, because the speaker goes straight to the point and gives the information in a clear and direct way.