Some of the sentences are grammatically correct and some are incorrect. Find out which part of the sentence has an error and mark that part. If there is no error , mark that part as your answer.
`("Is there further reasons")/a` `("you can give me for your failure")/b` `("to do as you promised?")/c` `("No error")/d`

Explanation

(a) Say .Are there. for .Is there.