You need a comma after "at first". get rid of the second period in the fourth sentence. get rid of "but only the buildings."
Answer:
D
Explanation:
first POV usually has 'I' or me
second pov usually has a 'you perspective'
third pov usually has 'he' and 'she'
The last step is D, because after you find it and look into it you need to do it so that you know it is right.