Whereas American dialects of the English language

Whereas American dialects of the English language often adopt words from other languages, those of European dialects tend toward the creation of new terms and expressions.

(A) English language often adopt words from other languages, those of European dialects tend
(B) English language often adopt words from other languages, that of European dialects tends
(C) language of English often adopts words from other languages, that of European dialects tends
(D) English language often adopts words from other languages, European dialects tend
(E) English language often adopt words from other languages, European dialects tend

Solution:
Meaning of the sentence:
The sentence mean that the American dialects of the English language adopt words form other languages and European dialects of English language create new terms and expresions.


Analysis:

In the sentence the two Subject -verb pair are:

American dialects of English language - adopt
European Dialects -tend
Now a both the subject are Plural so the verb should be plural i.e adopt and tend.

(A) English language often adopt words from other languages, those of European dialects tend.IncorrectSubject verb pair are correct but the usage of "those of " is incorrect.

(B) English language often adopt words from other languages, that of European dialects tends.Incorrect.tends is wrong verb for Plural subject European dialects."That " refers to the word immediately preceeding it but here that cannot refer to the other language,it should refer to English language.

(C) language of English often adopts words from other languages, that of European dialects tends.Incorrect.Usage of adopts and tends is wrong.They are singular verb for plural subject.

(D) English language often adopts words from other languages, European dialects tend.Incorrect.Adopts is wrong usage as per the explanation above

(E) English language often adopt words from other languages, European dialects tend.Correct.Its is perfect .Plural verb for plural subject.