The original choices do not contain correct answers. Please verify the Q/A before it is published.

Imagine you take a GRE special topic test that involes world wide thousands of thousands people on the same day, and in the middle you found there is a question there has no correct answer. We have to guess what it was asking. This is the test that determine your fate.

Try-catch was invented 20 years ago when I coded C++, it is nice to see people starts understanding it in SQL community.