With which of the following statements would Adler and Van West both be likely to agree Ⅰ. Anasazi land was fertile enough during the so-called Great Drought to potentially feed all of the Anasazi. Ⅱ. An internecine civil war may have contributed to the Anasazi’s malnourishment. Ⅲ. Drought alone is insufficient to explain the cause of the Anasazi’s departure.

A． Narcoleptic brains tend to remove degenerative tissue at a more prolific rate than that of nonnarcoleptics.
B． Narcoleptics are less responsive to drugs which treat neural autoimmune dysfunction than are nonnarcoleptics.
C． Nonnarcoleptics do not possess the same neurological immune antigens as narcoleptics.
D． Neurons that control muscle tone are damaged in the brains of narcoleptics, but not in those of non-narcoleptics.
E． Narcoleptics experience greater neural degeneration as a result of aging than do nonnarcoleptics.

A． wavering
B． lively
C． protected
D． brawny
E． incomprehensive