Explanation: context clues are hints that an author gives to help define a difficult or unusual word within a book. The clue may appear within the same sentence as the word to which it refers or it may follow in the next sentence. One of the most common context clues are synonyms, in the given excerpt we can see an example of that, in the phrase "As sweet repose and rest" the word "rest" is a synonym of "repose" and it is a hint to understand the meaning of this last one.
The correct answer might be B because this slogan might catch people's attention and they might exercise to get their heart healthy so as to prevent heart disease.
