Pony Boy likes going to the movies because it makes him forget about all of the bad things that are going on in his life. So the best choice would have to be...
D. He likes to go to the moves alone so he can get them undisturbed and live with the actors
Truth be told, it could be two. A would make sense in that the way the sentence is worded, the turtle herself seems weak. while C is also true to the word dragging as that would make it's movements awkward and difficult. I'd say your best bet would be C as turtles heavy backs and it's slowly speed would make the term "Dragging" make more sense.
The rock was weathered by water, sand, and other rocks
Alter means to change or make a slight change. so natural forces like mud or rain can shape what the earth looks like and what it does.