Read this passage from "a cub pilot":
i flew to the speaking tube and shouted to the engineer, “oh, ben, if you love me, back her! quick, ben! oh, back the immortal soul out of her! ”
i heard the door close gently. i looked around, and there stood mr. bixby, smiling a bland, sweet smile.
how does twain's decision to describe mr. bixby's smile as "bland" and "sweet" affect the text?
these words make it clear to readers that bixby does not understand the danger that he and twain both face at this moment.
these words add a sense of injustice to the text because they show that bixby does not care about twain's problems.
these words stress the fact that, though he is much younger than bixby, twain is already a better riverboat pilot than the captain.
these words add humor to the text because they highlight the contrast between the demeanors of twain and bixby at this moment.

These words add humor to the text because they highlight the contrast between the demeanors of Twain and Bixby at this moment.

Explanation:

The words contribute to Humor to the text as they highlight the contrast that exists between Twains and Bixby at present. The primary idea of the passage is that even if you are smart and practiced the same for an extended period when you are under pressure, you are likely to commit a mistake. Therefore it such scenarios in your level of experience will not matter. It happens viertally; you fail to see what you have seen before under similar situations. Therefore, it is a pressure blindness phenomenon.

what are the question answer options?

"it's more of an essay than story, but perhaps it is best described as a mood-piece: it uses a lot of musical imagery, not to mention sea imagery, religious imagery, and any other imagery that suits his purpose."