A? i mean it sounded like the author was surprised by the way he was treated
The discussion technique that Jennifer uses most clearly in this conversation is, challenging assumptions.
When we want to give a discussion a different approach, we use this technique through What if... questions, it is necessary to present another alternative to respond to things that we already established.
The other techniques are very different from this one, promoting participation would be mostly used by a moderator not a regular participant in the conversation, MAking an objective is to land the discussion into something real, and Asking for rhetorical questions does expect any kind of answer which we do have in here, therefore the other three options are incorrect.
Napoleon Crossing the Alps
Napoleon Crossing the Alps (also known as Napoleon at the Saint-Bernard Pass or Bonaparte Crossing the Alps; listed as Le Premier Consul franchissant les Alpes au col du Grand Saint-Bernard) is any of five versions of an oil on canvas equestrian portrait of Napoleon Bonaparte painted by the French artist Jacques-Louis
I reckon everything but E is a correct answer.
The thesis statement in the essay presents the aithor`s controlling idea.