In Your Garden,you Have an Ailanthus Altissima,also Known as the Tree-Of-Heaven.You

In your garden,you have an Ailanthus altissima,also known as the Tree-of-Heaven.You try adding additional plants to the same garden bed,but notice poor seed germination and seedling growth around the tree.What is the most likely explanation for this?

A) The tree is blocking most of the available sunlight which is limiting germination and growth.
B) The tree is utilizing most of the available miconutrients in the soil.
C) The roots of the tree have a stronger water potential than the seedlings which is causing the seedlings to dehydrate.
D) The tree has a mutalistic relationship with animals that are removing plants that are in competition for resources with the tree.
E) The tree is releasing chemicals into the soil that are inhibiting germination and growth of other plants.