Correct option is D
"Impede" means to delay or prevent someone or something by obstructing them, so "hinder" is the most appropriate synonym.
Synonyms: obstruct, hinder, block, delay.
Antonyms: aid, assist, facilitate, advance.
Meanings of the given words:
Intend: To have a course of action as one's purpose or objective; plan.
Prompt: To cause or bring about an action or feeling.
Respite: A short period of rest or relief from something difficult or unpleasant.
Hinder: To create difficulties for someone, resulting in delay or obstruction.