The Tiger Beetle Cicindela Longilabris Inhabits Higher Latitudes and Elevations

The tiger beetle Cicindela longilabris inhabits higher latitudes and elevations than other North American tiger beetles; Schultz, Quinlan, and Hadley concluded that all of the following factors contributed to these cooler environmental preferences except

A) higher metabolic rates.
B) lower body temperatures.
C) increased water proofing.
D) both higher metabolic rates and lower body temperatures.
E) both higher metabolic rates and increased water proofing.