Read the sentence below to find out whether there is any grammatical error in it. The error, if any, will be in one part of the sentence. Choose the option with that part as your answer. If there is no error, choose 'D' as your answer. (Ignore the errors of punctuation, if any).
Each one of the boys have paid the tuition-fee.
Each one of the boys
have paid
the tuition-fee.
No error.
Correct answer is B
has paid