In the following question sentence/a part of sentence is in bracket. Below are given alternatives to the word in bracket part at (a), (b), (c) which may improve the sentence. Choose the correct alternative. In case no improvement is needed , your answer is (d):Question:There is (an erro in grammar ) in the sentence.

• A. a written error
• B. a grammar error
• C. a grammatical error
• D. No improvement