Choose your answer from:
a). bacteria.
b). fats.
c). sugar.
d). muscle.
e). H 2 O.
f). sunlight.
g). the Sun.
h). SO2.
Given those answer options, answer the question: You are presented with the quiz "What are steroid hormones made of?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "steroid hormones are made of lipids, such as phospholipids and cholesterol" and "fats are known as lipids". So, what's the best answer to the question?
A:
b).