What is the root of irrelvent

Ireally can't decide between these answer choices.

How does the use of theme in a speech differ from theme in a written work? o a. in a speech, the theme also gives extra details about the topic. o b. in a speech, the theme is also used as an organizational tool. onc. in a speech, the theme also to establish a sense of authority. o d. in a speech, the theme also uses evidence to support a claim.

How will charlie most likely change after his experience at the diner in part 2 of "flowers for algernon"? he should be kind to each person who crosses his path. he will be more sympathetic to those who are similar to the way he once was. he will attempt to the dishwasher receive the surgery he was given. he will react the same way each time he sees someone being treated unfairly.