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.
`("Just when Alfred Nobel's discoveries were beginning to bring him rewards")/a` `("which were to make him one of the richest man of his day")/b` `("an anti-Nobel campaign was started in France")/c` `("No error")/d`

Explanation

(b) Say .men. for .man.