(A) of whom fourteen have official recognition
(B) fourteen that have official recognition
(C) fourteen of which are officially recognized
(D) fourteen that are officially recognized
(E) among whom fourteen have official recognition
Solution:
Pronouns
whom can only be used for people not for non-living things.
A and E are incorrect because whom is referring to languages.
B and D have coma split error.
C: which can refer to languages (non-living things).
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