JEE Main 2023 Chemistry question

An indicator 'X' is used for studying the effect of variation in concentration of iodide on the rate of reaction of iodide ion with at room temp. The indicator 'X' forms blue colored complex with compound 'A' present in the solution. The indicator 'X' and compound 'A' respectively are

• (A)Starch and
• (B)Starch and iodineCorrect
• (C)Methyl orange and
• (D)Methyl orange and iodine