On a coordinate grid, both point (-4, -1) and (2, 6) point are reflected across the y-axis. what are the coordinates of the reflected points?

a. (4, 1) and (-2,-6)
b. (-4, 1) and (-2, 6)
c. (-4, 1) and (2, -6)
d. (4, -1) and (-2, 6)