Students in this class were presented with an unknown lipid. They ran the iodine test on it, producing these results:

a. after one minute there was no fading of the color of the iodine,

b. after two minutes there was some fading of the color of the iodine

c. after 3 minutes there is no additional change in the color

d. the saturation was rated at 1.5.

What can the students reasonably conclude about this sample?

A) It is butter.

B) It is Crisco.

C) It is corn oil.

D) It is not a lipid.