Circle the underlined part that needs correcting

II. Circle the underlined part that needs correcting
1.   She is the most (A) beautiful (B) girl whose (C) I have ever met (D).
2.   The policeman must try (A) to catch (B) those guys whom (C) drove dangerously (D) fast.
3.   The guitarist about who (A) I told (B) you yesterday (C) is coming here tomorrow(D).