In the Absence of Thyroid Hormone,epinephrine Stimulates Release of a Small

In the absence of thyroid hormone,epinephrine stimulates release of a small amount of fatty acids from adipose cells.In the presence of thyroid hormone (which has no effect by itself) ,epinephrine causes a much more substantial release of fatty acids from the cells.What is the term describing the effect of thyroid hormone on epinephrine's actions?

A) antagonistic
B) agonistic
C) permissive
D) direct
E) paracrine