Match each of the following command to there correct function

Match each of the following command to there correct function. Each command has one function only listed.

A.
C1>F2, C2>F1, C3>F6, C4>F4

B.
C1>F6, C2>F4, C3>F2, C4>F5

C.
C1>F2, C4>F4, C3>F1, C4>F5

D.
C1>F4, C2>F6, C3>F3, C4>F2