One Reasonable Way to Prevent Sinkholes Might Be to

One reasonable way to prevent sinkholes might be to .

A) pump wastewater and sewage directly into the aquifer to maintain the water table
B) have the local water company regularly transfer water from one local aquifer to the next, maintaining the average water level
C) increase groundwater recharge by constructing artificial wetlands that use treated municipal wastewater
D) pump sand and gravel into the aquifer to fill in the bottom levels, thus raising the water table
E) install supports to maintain the shape of the underground aquifer