I woke up on Monday to a sweet email from a sweet guy , and smiled . And then , slowly , it all started rushing over me . Sunday , Race for the Cure , was the most incredible experience , but it was also slightly horrifying .

Generate a question about the above context.
Why was the experience sllightly horrifiying ?
Choose your answer from:
[a]. None of the above choices ..
[b]. It was difficult to hear stories about people who have passed away ..
[c]. It was upsetting I did not run as fast as I had hoped ..
[d]. It was difficult to read the emails I received ..