A network administrator is preparing a Python script to configure a Cisco IOS XE-based device on the network. The administrator is worried that colleagues will make changes to the device while the script is running.
Which operation of the ncclient manager prevents colleagues from making changes to the devices while the script is running?

A.	m.lock(config='running')
B.	m.lock(target='running')
C.	m.freeze(target='running')
D.	m.freeze(config='running')