Which sentence should be revised to correct a grammatical error?

A. Invasive species are destroying the balance of the Everglades ecosystem.
B. Burmese pythons, one common invader, belongs in their own environment, not in the Everglades.
C. The pythons do not attack humans, but they do eat everything from songbirds to adult deer.
D. The endangered Florida panther competes for the same prey as the pythons and is losing out to these huge snakes.