Answer A B and C are correct.
read page 351 of Sun specs...
Answer A is correct because whenever there is a system exception, the Container will always log an exception to notify to the System admin that something unexpected has happened.
Answer D is incorrect because you guys are missing the basic funda of meesage driven beans. Message Driven beans do not have clients. So if the Container throws and excpetion whom will the exception be thrown...NOBODY.bcoz there s no client. So answer D is wrong.
So the correct answer is A, B and C.
Hoep that helps