JEE Main 2021 Chemistry question

The correct pair(s) of the ambident nucleophiles is (are) : (A) AgCN/KCN (B) RCOOAg/RCOOK (C) (D) AgI/KI

• (A)(B) and (C) onlyCorrect
• (B)(A) only
• (C)(A) and (C) only
• (D)(B) only