challenge: According to Foreign Policy magazine, how many retweets and likes did Khamenei's tweets with the hashtag #Letter4U receive?
  
  A. Several dozen retweets and likes, but none of them went viral
  B. Only a few retweets and likes, and none of them went viral
  C. Several dozen retweets and likes, and some of them went viral
  D. Thousands of retweets and likes, and all of them went viral
  Answer: 