求解一道逻辑题

mike125615212

Thepopulation of desert tortoises in Targland’s Red Deserthas declined, partly because they are captured for sale as pets and partlybecause people riding all-terrain vehicles have damaged their habitat.  Targland plans to halt this populationdecline by blocking the current access routes into the desert and announcingnew regulations to allow access only on foot. Targland’s officials predict that these measures will be adequate, sinceit is difficult to collect the tortoises without a vehicle.
Which ofthe following would it be most important to establish in order to evaluate theofficials’ prediction?
A.      Whether possessing the tortoises as pets remainslegally permissible in Targland
B.      ！Whether Targland is able to enforcethe regulations with respect to all-terrain vehicle entry at points other thanthe current access routes
C.      Whether the Red Deserttortoises are most active during the day or at night
D.      Whether people who travel on foot in the Red Desertoften encounter the tortoises
E.      Whether the Targland authorities held publichearings before restricting entry by vehicle into the Red Desert