Briefing Zend Knowledge

How can the constant defined below be accessed from within PHP?

How can the constant defined below be accessed from within PHP?
<code>
classmyClass {
constFOO = β€˜BAR’;
}
</code>

A.
myClass::$FOO

B.
myClass::$$FOO

C.
myClass::FOO

D.
myClass::foo

E.
$foo::myClass