Hi all, currently I'm learning hard to pass Flex ACE exam and I found some sample questions on the internat... I have hard nut to crack with one of them any suggestions...

Which two statements about model-driven development are true? (Choose two)
A.End-to-end model-driven development is not possible with FlashBuilder
B.End-to-end model-driven development requires FlashBuilder,the ApplicationModeling plugin and a JDBC data source available LCDS
C.Model-development of client code cannot use an existing LCDS destination
D.Model-driven development of client code is implement edusing LCDS or ColdFusion with any Flex data sources
E.Model-driven development of client code can be used to generate a database schema exactly corresponding to the structure of the model