Which Cisco platform runs the Cisco IOS XE operating system?

A.
Cisco ASR9K

B.
Cisco CRS

C.
Cisco 12000 GSR

D.
Cisco ASR1K

E.
Cisco ME 3400

F.
Cisco ISR-G2

Explanation:
http://www.cisco.com/en/US/prod/collateral/routers/ps9343/product_bulletin_c25-448387.html