Consider the following synthetic scheme below. Which one of the following best explains wh...

Consider the following synthetic scheme below. Which one of the following best explains why the synthesis does not work?

A) Using NaOEt gives Claisen condensation instead of alkylation.

B) The alkyl halide used will lead to elimination rather than alkylation.

C) The keto-acid formed does not decarboxylate in the last step.

D) The base-promoted hydrolysis step does not work on the β-keto ester intermediate.