Suppose a list names contains $8$ elements. A call to names.add $(9,$ "Albert"$)$ results in:

A$.$ a $9$ element list with "Albert" as the last element.

B$.$ None of these is correct.

C$.$ an $8$ element list with "Albert" as the last element.

D$.$ an exception being thrown.

E$.$ a $9$ element list with null as the next to last element.