【单选题】

It can be inferred from the passage that Van West notes the severe droughts which affected theAnasazi prior to the GreatDrought primarily in order to

A、establish that enough food could have been grown to support theAnasazi’s survival
B、argue that theAnasazi’s past behavior would indicate their likely future behavior in the case of a GreatDrought
C、suggest that the repetition of droughts was taking a cumulative toll on the fertility of the Plateau
D、argue that the evidence which points to the existence of a GreatDrought may actually be related to earlier droughts
E、affirm the notion that the GreatDrought may have been exponentially more severe than prior droughts