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).

We are four brothers and sisters living in this house but neither of us is satisfied with it.

A.

We are four brothers and sisters living in this house

B.

but neither of us is

C.

satisfied with it.

D.

No error.

Correct answer is B

but none of us are