Answer:
B). Characterization of Mr. Lin.
Step-by-step explanation:
Characterization is one of the key elements of a narrative through which the author develops the characters and their traits in the narrative that allows the readers to have an understanding and perception about them.
In the given excerpt, the 'characterization of Mr. Lin' is the story element that has been developed by the author. It involves the details about his character from third-person perspective that tells the audience about his character(he is a father and engineer'), behavior(likes to read French which is reflected through 'pocket French dictionary'), etc. It allows the author to develop his character through the details that would allow the readers to understand his personality. Thus, option B is the correct answer.