In the question below, three statements are given which may or may not contain an error in any part of the sentence. Identify the statements containing an error and also point out the part containing the error.

I) A new class has emerged with (A) a distinct economic (B) and social background, gentry (C) is no longer in control of the town. (D)

II) The police are of the opinion (A) that all the protests (B) were organized by the peasantry. (C) Clergy is not to blame. (D)  

III) Lions and hyenas both consume the same prey, (A) they are enemies sworn to (B) fight each other till the end of time. (C) They both seek to establish a new world order. (D)