The European Green Crab Has Become Invasive in Many Places

The European green crab has become invasive in many places, including the Pacific Northwest.It is both carried in ships' ballast water and sold as fish bait.It becomes established during warm-water conditions like those that occur during El Niño years.The crab preys on many types of nearshore organisms, and its voracious appetite negatively affects the commercial shellfish industry.This information suggests that which factors enable the European green crab to become established?

A) Favorable environmental conditions and efficient predation
B) Favorable environmental conditions and efficient dispersal
C) Efficient predation and efficient dispersal
D) Efficient dispersal and lack of contact with native species
E) Bypassing of usual abiotic filters and lack of contact with native species