What is the effect of an iRule error such as referencing an undefined variable?

A.
The iRule execution will continue with the next statement.

B.
The execution of the current event within the iRule will be terminated.

C.
The iRule execution will be terminated, and both the client and server side connections will be reset.

D.
The connection will continue, but the iRule will NOT be executed again for the lifetime of the connection.