What is the best order to provide an event handler for an ALV?

What is the best order to provide an event handler for an ALV?
A . Create the ALV, write the handler, register for the event, display the ALV
B . Write the handler, register for the event, create the ALV, display the ALV
C . Write the handler, create the ALV, display the ALV, register for the event
D . Register for the event, write the handler, create the ALV, display the ALV
E . Write the handler, create the ALV, register for the event, display the ALV

Answer: E