In this scene, the author's use of situational irony suggests that - B Martha has known that Curtis will begin a new five-year excursion
С Curtis is unaware of Martha and Bigelow's conversation
D During their conversation Martha and Bigelow are unaware that Curtis
has decided to leave

- "the basic difference between keywords and subjects is that subjects (or "subject headings") have been predetermined, while keywords have not. a keyword is an easy place to start because you can use any word that seems to fit your search; this is called "natural language" searching."

i cannot see any of the options

the correct answer is a "it describes nora and mrs. linde's relationship". opcions b and d are not related to the content of the passage in any way. option c could be appropiate but it does not fully capture the effect of the dialogue, while option a is quite appropiate, since the dialogue not only exemplifies the relationship between the characters, but it also captures the effect in the excerpt. we get to know that mrs linde bosses around and already knows nora.

the following what exactly?