What is the result when the Trigger Delta Merge process chain step is executed for a given data target? Please choose the correct answer.

What is the result when the Trigger Delta Merge process chain step is executed for a given data target? Please choose the correct answer.
A . The delta between the new data and the already loaded data is calculated in the data target.
B . Data is transferred from the delta store to the main store of the data target.
C . The before and after images of the delta queue are merged and sent to the data target.
D . Only data from the delta queue is extracted and merged into the data target.

Answer: B