Wasp venom contains

Answer: Option B

Wasp venom contains Serotonin.
Wasp venom share several biologically active proteins and neurotransmitters, such as phospholipases A₂ and B, hyaluronidase, serotonin, histamine, dopamine, noradrenaline and adrenaline.
These proteins can cause type 1 hypersensitive reactions ranging from local skin irritation to anaphylactic shock. Furthermore, the toxins can cause direct organ injury or delayed hypersensitivity reactions.