Which detail from “A Cub Pilot” helps shape the central idea that if you believe in and trust yourself, no one should be able to shake your confidence? A. Mr. Bixby asks, “Didn’t you know there was no bottom in that crossing?” B. Twain says to Mr. Bixby the he can make the crossing “with [his] eyes shut.” C. Mr. Bixby tells Twain, ““I am going below awhile.” D. Twain tells Mr. Bixby that he couldn’t hit the bottom of the river “with a church steeple.”