Passage Summary: Many people think buying local is always better for the environment, but that's not true because the way food is grown matters more than the distance it travels.

Conclusion: Buying non-local food is sometimes more environmentally friendly than buying local food.

Reasoning: Environmental impact is determined more by how food is produced than by how far it is transported.

Analysis: The statement in question is introduced as a 'widely believed' idea that the author immediately challenges with the word 'But.' This identifies the statement as a claim that the author intends to refute or qualify. In the structure of the argument, it serves as the 'opposing view' or 'counter-premise.' Look for an answer choice that describes the claim as a common belief that the argument provides evidence against.