If the solution designer wishes to ensure that subscribing MQ applications receive message from a topic even if the subscribing MQ application is disconnected from the queue manager at the time the message is published, which action is required?
A. The publishing application must set the message as persistent.
B. The subscribing application must set the message as persistent.
C. The publishing application must set the subscription as durable.
D. The subscribing application must set the subscription as durable.