9?+s*t7K5Q-D5p9a2p-G+qThanks ___________the Great Green Wall, the land produces more crops.;?'R8h;U/S-q+S4~0j5?4K+h(z)T2@
A. by;?'R8h;U/S-q+S4~0j5?4K+h(z)T2@
B. of;?'R8h;U/S-q+S4~0j5?4K+h(z)T2@
C. for;?'R8h;U/S-q+S4~0j5?4K+h(z)T2@
D. to;?'R8h;U/S-q+S4~0j5?4K+h(z)T2@