Think about what you do after you wash your hair. You dry it. So your answer is D. It doesn’t make sense to “get up your hair” or “look at your hair” or “sleep your hair” so D. makes the most sense.
It makes the most sense,"After hanging out with my friends on Saturdays, I come home, shower, and wash my hair. I dry <u>myself</u> my hair and I'm going to sleep at nine at night" The thing is that the sentence doesn't make sense with "myself" So it is probably the second C