Fludrocortisone is a steroid hormone used to treat disease. Which of the following most likely occurs when it encounters a target cell?

A) It binds to a receptor on the cell membrane and triggers a signal transduction pathway.
B) It diffuses through the cell membrane and binds to receptors in the cytoplasm or nucleus.
C) It interacts with a G-protein coupled receptor in the plasma membrane of the target cell.
D) It binds to protein receptors on the presynaptic membrane, increasing the firing rate of action potentials.