Which extension header is identified by value 0 in the next header field?

Which extension header is identified by value 0 in the next header field?

A.
Routing extension header.

B.
Destination options extension header.

C.
Hop-by-hop extension header.

D.
Fragment extension header.

Explanation:
The following table should be memorized, these are the code mappings.
Incorrect Answers:
A: The proper codes for these headers can be searched in the given table above.
B: The proper codes for these headers can be searched in the given table above.
D: The proper codes for these headers can be searched in the given table above.