Correct option is C

Logic = Pattern: (+5, -7)
(A) GZ → LS
G → L → +5
Z → S → -7
(B) MF → RY
M → R → +5
F → Y → - 7
(C) YR → EK
Y → E → +6
R → K → -7
(D) AT → FM
A → F → +5
T → M → -7
Summary Table:
Final Answer: YR → EK
Final Correct Option: (C)