Select the correct statements from the following
A) $SiC{l}_4$ is easily hydrolysed
B) $Ge{X}_4$ (x = F, Cl, Br, I) is more stable than $Ge{X}_2$
C) $Sn{F}_4$ is ionic in nature
D) ${\mathrm{PbF}}_4$ is covalent in nature