In "a cub pilot," after twain realizes that the others are testing his confidence and courage, he says, "it was a fine trick to plan on an orphan, wasn't it? " how does twain's use of the word "orphan" affect the memoir?
a. it conveys how twain feels alone, with no one looking out for him.
b. it shows that twain also thinks the prank the others played is very funny.
c. it demonstrates that twain still does not realize that he is the victim of a joke.
d. it indicates that twain's father is mr. bixby.