In the Accompanying Diagram, Why Does the Pyramidal Cell, Neuron

In the accompanying diagram, why does the pyramidal cell, neuron 4, illustrate the concept of information integration in the nervous system?

A) It has many dendrites and a single axon.
B) It has a cell membrane.
C) It is an excitable cell.
D) It has a nucleus, in which transcription and translation occur.
E) All of these are features of the pyramidal cell that illustrate the concept of information integration.