Arrange the Following Events in Proper Sequence

Multiple Choice

Arrange the following events in proper sequence:
(1) The activating hormone interacts with a membrane-bound receptor.
(2) Cyclic AMP causes the cell to carry out a function characteristic for that specific hormone.
(3) Adenylyl cyclase catalyzes the transformation of ATP to cyclic AMP.
(4) Adenylyl cyclase is activated.

A) 1, 2, 3, 4
B) 1, 4, 3, 2
C) 3, 4, 2, 1
D) 1, 3, 2, 4
E) 1, 3, 4, 2