To humans, it does not appear that the golden orb-weaver spider uses camouflage to capture its ________ the brightly colored arachnid seems to wait conspicuously in the center of its large circular web for insects to approach. Researcher, Po Peng of the University of Melbourne has explained that the spider's distinctive coloration may in fact be part of its appeal.

Which choice completes the text so that it conforms to the conventions of Standard English?