Blight Fungus Kills U

Blight fungus kills U.S. chestnut trees because the trees _______________

A) release the fungus into the soil and it is drawn up in the roots
B) release the fungus in the leaves that fall to the ground and the fungus is absorbed in the soil
C) have not coevolved with the fungus
D) are hosts to the vectors of the fungus
E) have not matured long enough to survive