Which sentence best shows the narrator is transitioning to a flashback? from "The Tell-Tale Heart"

What is the name of the built-in photo editor program on windows

Read this passage.my career in journalism has taught me the challenges of capturing sporting events, yet gregor powell's descriptions are flawless. powell is a gold-medal paralympic swimmer, but his memoir proves that his true strength is the power of his insights.what feature distinguishes this passage as a foreword?

What is the central idea of paragraph 1 of the story?