Glossopteris, a Fossil Found in Africa, Australia, India, South America

Glossopteris, a fossil found in Africa, Australia, India, South America, and Antarctica, is significant because _______ .

A) it demonstrated that wind could not have dispersed the organism over such a large area
B) it demonstrated that water could not have dispersed the organism over such a large area
C) it demonstrated that all of the continents where the fossil is found must have been cold when the organism was alive
D) it demonstrated that all of the continents where the fossil is found must have been tropical when the organism was alive