If a Biochemist Discovers a New Molecule,which of the Following

If a biochemist discovers a new molecule,which of the following pieces of data would allow her to draw the conclusion that the molecule is a steroid hormone?
I.The molecule is lipid soluble.
II.The molecule is derived from a series of steps beginning with cholesterol.
III.The molecule acts at a target tissue some distance from where it is produced.
IV.The molecule uses a carrier protein when in an aqueous solution such as blood.

A) only I and III
B) only II and IV
C) only I, II and III
D) only I, III, and IV
E) I, II, III, and IV