The capsid of SV40 contains 360 protein copies.Why is this unusual?

A) There is only 1 kind of protein in this capsid.
B) 360 is not the correct number of protein capsids for a T = 6 capsid.
C) Six is not a mathematically allowed triangulation number.
D) The proteins have equivalent interactions.
E) The capsid is not large enough to hold the entire genome.