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).
It does not matter how you do it; what I want is that you should finish the work within a month.
It does not matter how you do it;
what I want is that
you should finish the work within a month.
No error.
Correct answer is B
I want that