Emily: "Let's try bungee jumping next month! It'll be an unforgettable experience!"
Mark: "Wow, that sounds incredibly exciting, but _____________. I'm not sure if I'm brave enough."
Which option best completes Mark's statement, showing hesitation?
A) I can't wait to do it!
B) I'm a bit scared of heights.
C) I've always wanted to try it.
D) It's definitely my kind of adventure.