Which of these passages would most likely be part of an expository text?

What can be inferred from the following sentence in the passage? then he asked me my name. scarcely had i uttered it when he made a gesture of astonishment. a) the sentence implies that the attendant knows the colonel. b) the sentence implies that the colonel is giving up on life. c) the sentence implies that the attendant is going to get fired. d) the sentence implies that the colonel recognizes the attendant's name.

Which sentence is the most effective in stating the overall purpose of section 4, “confidentiality of user names and passwords? ”

How does the passage above relect the typical plot that appears in travel narratives?