Which One of the Following Is a Major Product in a Claisen

Which one of the following is a major product in a Claisen condensation?

A) ( $\alpha$ -keto ester)
B) ( $\beta$ -keto ester)
C) ( $\beta$ -hydroxy ester)
D) ( $\gamma$ -hydroxyester)
E) ( $\beta$ -diketone)