Which two code snippets, added independently at line ***, can make the Buzzword class compile?

Given the two Java classes:

Which two code snippets, added independently at line ***, can make the Buzzword class compile?

A.
this ();

B.
this (100);

C.
this (“Buzzword”);

D.
super ();

E.
super (100);

F.
super (“Buzzword”);

Explanation: