What command will install the image needed on the Cisco IOS-XR if the SSH configuration options are unavailable?

What command will install the image needed on the Cisco IOS-XR if the SSH configuration
options are unavailable?

A.
install activate disk0:c12k-k9sec.pie-4.1.2

B.
install activate disk0:c12k-diags.pie-4.1.2

C.
install commit disk0:c12k-diags.pie-4.1.2

D.
install ssh activate disk0:c12k-k9sec.pie-4.1.2