Which of the following passages best expresses mark twain's purpose in ''a cub pilot''?

a. he{a pilot} must have good and quick judgment and decision, and a cool, calm courage that no peril can shake.

b. your shouldn't have allowed me or anybody else to shake your confidence in that knowledge. try to remember that.

c. i had become a good steersman; so good, indeed, that i had all the work to do on our watch, night and day.

d. there is one faculty which a pilot must incessantly cultivate until he has brought it to absolute perfection. nothing short of perfection will do. that faculty is memory .

Your shouldn't have allowed me or anybody else to  shake your confidence in that knowledge. try to remember that ( B )

Explanation:

" A Cub Pilot " was a narrative made by Mark Twain on how he was an apprentice cub pilot on a steam boat which his boss Mr Brown was a pro pilot on the same steam boat with him. he narrates his experience on working with a boss who was very much bad tempered and he tries to narrate his experience in such a way you can relate it to your life experience of working with a boss with such irritating and bad temper.

been a cub pilot entails who help the pilot in steering the ship. the story is a true life story of Mark Twain at the age of 22 working as a cub pilot. according to his story he tried to be the best he could be but he had an ill tempered pro pilot who made it difficult for him.