What does the administrator need to configure to achieve this?

An administrator has been asked to make changes to MQ config so that the MQ client application APP_A connecting to queue manager QM1 can reconnect automatically without re-starting the applications.

What does the administrator need to configure to achieve this?
A . Alter QMGR and set the attribute RECONN(YES)
B . Alter SVRCONN channel and set attribute AUTOCONN(TRUE)
C . Configure DefRecon attribute of CHANNELS stanza in mqclient.ini
D . Configure AutoConnect attribute of CHANNELS stanza in mqclient.ini

Answer: C