I believe the best choice is A) He told his friends he was the best. This is if they're asking if it went well mentally. If they're asking if it went well physically, then the answer is B. Hope this helps ;)
Answer:
happy birthday I hope you have a great day and I hope 16 treats you well
The pic doesn’t work for everyone
Answer:
What time are we going to Grandma's house tomorrow?
Explanation:
The t-shirt that they give only to people who finish is a big reason that so many people take up the challenging race.
This paraphrase presents the same information as in the sentence, but since it should be a bit more of a summary, it takes out the specific detail of how many people actually run the race, which can just be paraphrased into 'so many'.