Answer:
It is A
Step-by-step explanation:
If you look at it ecch one is moving by 4. -
5+4= -1
-1+4=3
7+4=11
O A. 4
11 to 7 = 4
7 to 3 = 4
3 to -1 = 4
-1 to 5 = 4
Common difference = 4
