JEE Main 2023 Chemistry question

Assertion A: The alkali metals and their salts impart characteristic colour to reducing flame. Reason R: Alkali metals can be detected using flame tests. In the light of the above statements, choose the most appropriate answer from the options given below.

• (A)Both A and R are correct and R is the correct explanation of A
• (B)Both A and R are correct but R is NOT the correct explanation of A
• (C)A is not correct but R is correctCorrect
• (D)A is correct but R is not correct