Question

Which is true about an invading species?

a. Native to the area that they live and grow
b. Has natural predators to limit population
c. Stronger than natvie species and hard to control population size.
d. Good for the local ecosystem.

Answer 1

B. Has natural predators to limit population

Answer 2

Think of it literally. "Invading" sounds like a bad thing, right? 
C is the only option that actually has a "invader" that's bad for the ecosystem.

Have an awesome day! :)

From your friendly Helper-in-Training, collinjun0827