Which of the Following Experiments Best Addresses the Hypothesis That

Which of the following experiments best addresses the hypothesis that moths stop flying in response to high-intensity bat sounds?

A) Isolate and characterize the neurons that control flight muscle.
B) Play prerecorded high-intensity bat sounds to flying moths.
C) Observe responses of moths to bats in nature.
D) Put bats and moths in an enclosure and make detailed observations of predator-prey interactions.
E) See if the moths will fly towards a bright light source.