Which of the following is one of the key features found in a worm but not seen in a virus?

Which of the following is one of the key features found in a worm but not seen in a virus?

A.
The payload is very small, usually below 800 bytes.

B.
It is self replicating without need for user intervention.

C.
It does not have the ability to propagate on its own.

D.
All of them cannot be detected by virus scanners.

Explanation:
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