Fossils of Ancient Polar Plants Are Currently Found near the Equator

Fossils of ancient polar plants are currently found near the equator because the:

A) entire earth had polar conditions at the time the plants were living.
B) plants lived near the poles, but landmasses have drifted to current locations.
C) plants probably were tolerant of both tropical and polar conditions.
D) plants were distributed to current locations by ancient glacial ice sheets.
E) poles were at the equator at times in the geologic past.