Answer:
A. He was concentrating hard on his book
From what I remember, its personification, which is when you give inanimate or non-living objects (the sun) human characteristics (using the word peeked)
1) a
2)d
3)a
4)c
5)c
6)d
7)c
8)a
9)c
10)b
11)b
12)b
13)d
14)c
15)c
16)b