India is a country with at least fifty major regional languages, of whom fourteen have official recognition.
(A) of whom fourteen have official recognition 關代主辭為languages ,whom 為人稱受格
(B) fourteen that have official recognition 無關代辭(不得省略)
(C) fourteen of which are officially recognized
(D) fourteen that are officially recognized 無關代辭(不得省略)
(E) among whom fourteen have official recognition關代主辭為languages ,whom 為人稱受格
The key is C. Why? What is the line of solving this question?Thanks!
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