I believe it is the 3rd one but I am not sure but if you want an explanation on why, I will tell you that phobias are based off of a certain object,situations,or anything that makes you react with so much fear. That is why I think it is the 3rd one but let me know what the answer is I am curious of what the actual answer may be.
This is more of an opinion based question. We can't really help you. Sorry
Top-homework
2nd level- walking
3rd- weight training
4th- soccer
Answer: he probably has a problem with his hip joint
Explanation: