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).
The reason Richard is absent from his duty is because he is unwell.
The reason Richard
is absent from his duty
is because he is unwell.
No error.
Correct answer is A
The reason why Richard