Which of the following is an invalid visibility label while inheriting

1.	Which of the following is an invalid visibility label while inheriting a class?
A.	<i class="cpp-code">public</i>
B.	<i class="cpp-code">private</i>
C.	<i class="cpp-code">protected</i>
D.	<i class="cpp-code">friend</i>
Answer» E.

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Which of the following is an invalid visibility label while inheriting a class?

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