If this is an excerpt from a story, I wouldn’t be of much help. But from a layman's perspective, it seems like the character is attempting to please the failed humorist or he or she would have been frank. This in turn may have triggered a chain reaction, prompting the humorist to continue with his jokes which would have further affected the character. He or she is also giving the former a false sense of happiness and appreciation.
This passage may not affect the whole story in a remarkably discernible manner, but it definitely proves the character's penchant for politeness. And that may be be a deciding factor in his or her further decisions that ultimately define the plot of the story.
The correct answer is A. dialogue is used.
This is not a difference between literary and dramatic works. Dialogues are used both in literary texts and in plays, so they are not something that distinguishes the two genres. On the other hand, stage directions are written only in dramatic works, and only they are meant to be performed on stage, whereas novels and other literary works are not.
A. main ideas and B. all ideas
i think its d it should be d to match the other one