Each particle in PSO modifies its position according to ? 1)its velocity 2)its weight 3) its gbest and pbest

Each particle in PSO modifies its position according to ? 1)its veloci

1.	Each particle in PSO modifies its position according to ? 1)its velocity 2)its weight 3) its gbest and pbest
A.	2,3
B.	1,2
C.	1,2,3
D.	only 1
Answer» D. only 1