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.
`("Although the turck was")/a` `("moving very fast")/b` `("the drive stopped it")/c` `("in a skilfully manner")/d` `("No error")/e`

Explanation

(d) Say .in a skilful manner.