Answer: B) optimistic.
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 one that represents the tone that the passage conveys, is the corresponding to option B: optimistic, because it says that Jaime would always try again when he fails, and he knows that he will, eventually, succeed.