The correct option is C Crab
All known scorpion species possess venom and use it to kill or paralyze their prey.
Centipedes are arthropods belonging to the class Chilopoda. They are predatory and venomous. Venom is produced by a gland at the base of the fangs.
Some spiders are highly venomous and can be deadly for example, the Black Widow Spider can inflict a painful bite which can be fatal. Only a small amount of venom can cause serious illness.
The crabs are non-venomous.
Thus, the correct answer is option C.