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).
Mr. Praful Patel is not attending his office for the last one month.
Mr. Praful Patel
is not attending his office
for the last one month.
No error.
Correct answer is B
has not been attending his office