The Interference Pattern Is from a Lens Placed on a Flat

Multiple Choice

The interference pattern is from a lens placed on a flat reflecting surface illuminated using a monochromatic light from above. From the pattern one can conclude that the lens

A) is more curved on the left and right sides compared to top and bottom.
B) is more curved on the top and bottom compared to the left and right sides.
C) has a spherical surface.
D) has a concave surface.
E) is none of the above.