High-yield grains require large quantities of fertilizer and pesticides, extensive irrigation systems, and ever more expensive fuel for pumping water and running machinery.
A)ever more expensive fuel for pumping
B)ever more expensive fuel that pump
C)more and more expensive fuel pumping
D)fuel, ever more expensive, pumping
E)fuels, ever more expensive, that pump
KEY:A
想請教一下選項(C)不對的原因是否因為少了for
換言之,,如果加上for =>(C) more and more expensive fuel for pumping 是否就對了?