Select the option that represents the letters that when placed from left to right in the blanks below will complete the letter series.
_ZW_V_Y_WX_UY_W_V_ _ZW_VU
A. YXUZVZXUYX
B. XYUZZVXUXY
C. XYUZVXZUXY
D. YXZUXZUYXV
Sol:
YZWXVU/YZWXVU/YZWXVU/YZWXVU