In the question below, the 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) In the troubled water of conflicting and intersecting intrigues (A) that eddied about the Emperor's headquarters,(B) it was possible to succeed in (C) many ways unthinkable at other times. (D)

II) A harmonious sound could (A) be heard at a distance, she (B) could hear waters flowing (C) about before the creek came into view. (D)

III) The forest was filled with creatures (A) that are independent yet completely (B) oblivious to their surroundings. (C) The water-filled creeks served as a common meeting ground (D)