Without a coat is preposition in " Don't go (without a coat)".
Answer:
Demonstrative Speech
Explanation:
The demonstrative discourse is one that shows how a certain situation happened and what was the result, or that shows how a certain element works. This speech can be seen in the text shown in the question above, since the narrator demonstrates what Bod's mission was, how he accomplished it and the result he obtained.
B because it gives a commentary view on the situation