Suppose a Linked-List Class with a Generic E Type Has

Multiple Choice

Suppose a linked-list class with a generic E type has been constructed with a java.awt.Component type variable. Consider its instance method locate with the following header:
Public void locate(MyLinkedList<? extends E>) { . . . }
Which type cannot be passed to method locate?
I MyLinkedList<JButton>
II MyLinkedList<Component>
III MyLinkedList<JTextField>

A) I
B) I and II
C) II and III
D) all can be passed to locate