Answer:
A. option is correct
Step-by-step explanation:
since number of sides in first figure is 3
number of sides in second figure is 4
number of sides in third figure is 5
hence, number of sides in fourth figure must be 6
A. number of sides in this figure is 6
B. number of sides in this figure is 7
C. number of sides in this figure is 8
D. number of sides in this figure is 4
hence, option A. is correct