Question

What tool does Twain use in this excerpt from his autobiographical narrative to make it interesting?

4- I still remember the first time I ever entered the presence of that man. The boat had backed out from St. Louis and was "straightening down"... I ascended to the pilot-house in high feather, and very proud to be semi-officially a member of the executive family of so fast and famous a boat. Brown was at the wheel. 

A. Flashback

B. Character Description

C. Dialogue