[winanks]

Hey Folks....
Can you please help me out in reasoning the right answer for the following sentence.


To help preserve ancient Egyptian monuments threatened by high water tables, a Swedish engineering firm has proposed installing pumps, perhaps solar powered, to lower the underground water level and dig trenches around the bases of the stone walls.


A to lower the underground water level and dig trenches
B to lower the underground water level and to dig trenches
C to lower the underground water level and digging trenches
D that lower the underground water level and that trenches be dug
E that lower the underground water level and trench digging

[Mahip]

Originally Posted by winanks

Hey Folks....
Can you please help me out in reasoning the right answer for the following sentence.


To help preserve ancient Egyptian monuments threatened by high water tables, a Swedish engineering firm has proposed installing pumps, perhaps solar powered, to lower the underground water level and dig trenches around the bases of the stone walls.


A to lower the underground water level and dig trenches
B to lower the underground water level and to dig trenches
C to lower the underground water level and digging trenches
D that lower the underground water level and that trenches be dug
E that lower the underground water level and trench digging

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