Which type of optics module is supported by a 6-port 40 GE Cisco Nexus 7000 M2 Series I/O module?

A.	CPAK
B.	QSFP+
C.	SFP/SFP+
D.	CFP

WARNING

the answers are mixed, do not specify in the comment number or the letter of the answer
please write answer#A instead A, answer#B instead B...