The question as provided is incomplete.

1. What is missing?

The prompt says:

"In the above reactions, product A and product B respectively are :"

but the actual reaction scheme is not shown. Also, the options A, B, C, D are blank. Without the reaction sequence and the option structures/names, it is impossible to determine the products.

2. Why the answer cannot be derived

To identify products in organic chemistry, we must know:

1. The starting compound,
2. The reagents/conditions in each step,
3. The possible answer choices.

Here, none of these are visible, so there is no valid chemical deduction that can be made.

3. About the stored correct answer

The stored correct answer is given as D, but since the actual reactions and options are missing, I cannot verify whether D is correct.

4. What is needed to solve it

Please provide either:

• the full reaction diagram/image, or
• the written reaction sequence and the complete option list.

Then I can solve it step-by-step and compare it properly with the stored answer.