some of the sentence are grammatically correct and some are incorrect. Find which part of the sentence has an error and mark that part. If there is no error,mark that part as your answer
`("Althought I am playing cricket")/a` `("for more than three years")/b` `("I have not been able to score a century")/c` `("No error")/d`

Explanation

(a) Say .I have been playing.