$\backslash$table$[[$Within$-$Cluster Summary$],[,$Size,Average Distance,$],[$Cluster $1,11,0\mathrm{.}655,],[$Cluster $2,1,0,],[$Cluster $3,10,0\mathrm{.}154,],[k=3,$Inter$-$Cluster Distances$],[$Cluster $1,$Cluster $2,$Cluster $3],[$Cluster $1,0,4\mathrm{.}603,1\mathrm{.}977],[$Cluster $2,4\mathrm{.}603,0,3\mathrm{.}076],[$Cluster $3,1\mathrm{.}977,3\mathrm{.}076,0]]$

is the most heterogeneous

a$.$ Cluster $1$

b$.$ Cluster $2$

c$.$ Cluster $3$

d$.$ Cannot tell from the provided information