Each Point in the Image Below Represents a Galaxy on the Sky,with

Multiple Choice

Each point in the image below represents a galaxy on the sky,with the Earth at the bottom point of the "pie piece" and distance away from that point representing distance from Earth.What is the prominent set of galaxies in a straight line away from the observer most likely to be?

A) a filament
B) a galaxy cluster
C) a void
D) an active galactic nucleus