Chinese hydrologists, prevented from setting up modern rain-gauge infrastructure in the 20th century by invasion, civil war and the Cultural Revolution,
have long relied on ancient roads, both geological and human, to inform the design of dams and canals.A) have long relied on ancient roads, both geological and human, to inform the design of dams and canals.
- CORRECTB) have long relied on ancient
road, both geological and human, to inform the design of dams and canals.
- Use of singular noun ROAD changes the original intent since this option conveys that ALL Hydrologists used ONE SINGLE ROAD. Hence Incorrect. C) have long relied on ancient roads, both geological and human,
informed the design of dams and canals.
- Lack of preposition before INFORMED leads to a Run-on sentence. Hence Incorrect. D) have long relied on ancient roads, both geological and human,
inform the design of dams and canals.
- Lack of preposition before INFORM leads to a Run-on sentence. Hence Incorrect.E) have relied on
long ancient roads, both geological and human, to inform the design of dams and canals.
- Placement of Adjective LONG changes the intended meaning. Hence Incorrect.