34.
A:
Prostaglandins are eicosanoids made from unsaturated fatty acids.
B:
Prostaglandins are eicosanoids made from saturated fatty acids.
C:
Prostaglandins synthesized from arachidonic acid have a pain-relieving effect.
D:
Prostaglandins synthesized from arachidonic acid have a fever-reducing effect.
The answer is: B