What will be printed when the following code executes?

xList $=[-1,0,1,0,2,0,3,0,4,0,5,0,6]$

y $=$ xList.pop$(5)$

y $=$ xList.insert$(6,6)$

print$($xList$)$

A$.$

$[-1,0,1,0,2,0,3,0,6,0,5,0,6]$

B$.$

$[-1,0,1,0,2,0,3,6,0,4,0,5,0,6]$

C$.$

$[-1,0,1,0,2,3,6,0,4,0,5,0,6]$

D$.$

$[-1,0,1,0,2,6,3,0,4,0,5,0,6]$