Which three options are types of OTN line cards for the NCS 4000?

Which three options are types of OTN line cards for the NCS 4000? (Choose three.)

A.
2-port 100G

B.
5-port 40G

C.
20-port 10G

D.
24-port low speed

E.
40-port 10G

F.
4-port 100G