The Aptly Named Dead Horse Arum Has a Heat- Producing

The aptly named dead horse arum has a heat- producing flower. What advantage does this heat provide?

A) It prevents inefficient pollinators from collecting pollen.
B) It increases the evaporation of the scent, attracting pollinators from greater distances.
C) It creates a barrier to invasive plant species.
D) It enables blooms to emerge through snow.
E) It warms the pollinators, which are usually bats.