Can someone explain why D is the correct answer and not A? I feel like the passage suggests that kinglets do not participate in nocturnal behavior to find food.
... case, it still doesn't explain the fact that why birds ... sample size difference etc) would resolve the discrepancy but that wasn ... approach should be to really "explain" the difference not somehow say ...
... imaginary world where we can reconcile and explain all the incompatible things ... create an imaginary world to reconcile the issues, too. An example ...