Yes, your answer is definitely d!
Hope this helps!
MidnightQueen
Answer: Fisheyes are almost always used for underwater photography where there are no straight lines to worry about. They also produce sharper images with brighter colors than a rectilinear lens. Depending on your composition, a fisheye can be used to enhance the curvature of the earth
Explanation: I don't know why you are using it. sorry.