Briefing Zend Knowledge

Which of the following statements about Reflection is correct?

Which of the following statements about Reflection is correct?

A.
Reflection is an extension that can be disabled

B.
Reflection is a new extension present only in PHP 5.3+

C.
Reflection only allows to reflect on built-in classes

D.
Built-in classes can be reflected on command line using php –rc <classname>