The given sentence has been broken up into four different parts. The error, if any, will be in one or more parts of the sentence. Select the option which contains the part of the sentence which is free from an error. If all are incorrect mark Option 4 as your answer.

Apart from the controversy about the use of the 2011 (A) / population instead of 1971, which may result in smaller shares of the common pool (B) / of revenues for some states, the Terms of Reference of the (C) / fifteenth Finance Commission are heavily loaded in favor of the union government. (D)