What should the developer do to ensure a more meaningful message?

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A user receives the generic "An internal server error has occurred" while interacting with a custom Lightning Component.

What should the developer do to ensure a more meaningful message?
A . Use an AuraHandledException in a try/catch block.
B . Use ProcessBuilder to catch the error.
C . Add an onerror event handler to the tag.
D . Add an error-view component to the markup.

Answer: A