This type of text attempts to convince a reader to adopt a particular opinion or course of action

The answer is Persuasive text.

 Explanation:

The aim of a persuasive text is to convince the reader to agree with the author's point of view.  

A persuasive text needs to include a statement of positions, arguments, and assurance of the initial statement.  The statement of positions discloses the author's position and the argument. The arguments are the supporting evidence to persuade. And, the assurance of the initial statement is the repetition in a summary of the arguments already given.

answer: "the beating heart symbolizes the narrator's conscience, or his sense of guilt and wrongdoing" so its b

explanation:

"to look at him, or hear him describe it, he had no guilt. however, poe decided to symbolize this man's subconscious guilt through the heartbeat."

- "he is a very real person and his intent isn't to influence us vonnegut addresses this towards the end of the letter when he says, if we choose to curse, that is by our own individual means."