The correct answer is: E. No error
The sentence is grammatically correct. The conjunction “but” is used to join two independent clauses. The first clause is “Not only the judges acquitted him of all the charges levelled against him.” The second clause is “also commended all his actions.” The two clauses are joined by the conjunction “but.”
The sentence is also clear and concise. The meaning of the sentence is easy to understand. The sentence is also well-organized. The ideas are presented in a logical order.
The sentence is also free of errors in grammar, spelling, and punctuation.