During Cold Periods, Marmots Enter a State of Torpor in Order

Multiple Choice

During cold periods, marmots enter a state of torpor in order to alter their lower critical body temperature. In comparison to the body temperature of a bear during its long winter sleep, the temperature of the marmot drops _______, and the duration of the torpor is _______ the bear's period of sleep.

A) much more; much shorter than
B) much less; much shorter than
C) to about the same extent; much shorter than
D) much more; about the same as