Two applications running concurrently have created a deadlock cycle in the locking subsystem.
Both applications were started at the same time with a lock timeout set to 20.
What actions will take place once the deadlock occurs?

A.
It will randomly select one of the applications and rollback its current transaction.

B.
It will wait 20 seconds, then if the deadlock still exists, it will randomly select one of the
applications and rollback its transaction.

C.
It will rollback the current transactions of both applications.

D.
It will wait 20 seconds, then if the deadlock still exists, it will rollback the current transaction of
both applications.

Explanation: