Bunuel
Like the improvements to irrigation and crop rotation, fertilizers and pesticides were developed long ago but have benefited from substantial advances in the last century.
A. Like the improvements to irrigation and crop rotation,
B. As irrigation's and crop rotation's improvements,
C. Like those of irrigation and crop rotation,
D. As it is of irrigation and crop rotation,
E. Like irrigation and crop rotation,
a) Like the improvements to irrigation and crop rotation
b) Fertilizers and pesticides(n)
were developed(v) long ago
c) but
have benefited(v) from substantial advances in the last century.
A. Like the improvements to irrigation and crop rotation-
The sentence compares the improvements to irrigation and crop rotation to fertilizers and pesticides.B. As irrigation's and crop rotation's improvements-
use of As incorrect.C. Like those of irrigation and crop rotation-
"those" has no referrent.D. As it is of irrigation and crop rotation-
again wrong comparision , irrigation and crop rotation should be compared to fertilizers and pesticidesE. Like irrigation and crop rotation -
correct