The question image/reaction scheme and the option structures are missing. The prompt only says:

"The major product formed in the following reaction is"

but no reaction, reagent, substrate, or option structures are visible. Since this is an organic chemistry product-prediction question, the answer depends entirely on the given reactant and conditions.

What can be concluded

1. The reaction scheme is not provided, so the product cannot be determined logically.
2. Options A, B, C, D are also blank, so there is nothing to compare chemically.
3. Therefore, I cannot derive the correct product from chemistry principles with the information given.

Comparison with stored answer

The stored correct answer is D, but because the actual reaction and options are absent, I cannot independently verify that choice.

So, I do not agree or disagree on chemical grounds; rather, I must state that the problem is incomplete.

Needed to solve

Please provide either:

• the reaction image, or
• the reactant/substrate and reagents/conditions in text, and
• the option structures.

Then I can solve it step-by-step and verify whether D is correct.