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).
One of my favourite actor is acting in this play also.
One of my favourite actor
is acting
in this play also.
No error.
Correct answer is A
one of my favourite actors