Which of the following actions will enable logging via calls to debugData( ) on a native Magento paymentmethod model?

A.
Set the protected property $_debug of the payment model to true

B.
Set the config node default/payment/debug/[method code] to 1

C.
Call Mage:: register (‘payment_method_debug_’ . [method code], true);

D.
Set the config node default/payment/ [method code]/debug to 1

E.
Call setDebug(true) on the payment method model