The Main Difference Between a Binary Tree and a Linked

Multiple Choice

The main difference between a binary tree and a linked list is that

A) nodes in a binary tree have two successors instead of one.
B) recursion is useful on binary trees, but not on linked lists.
C) a linked list can be empty, but a binary tree cannot.
D) a binary tree can be empty, but a linked list cannot.
E) None of the above