I would say it is A. Because they are going to comply with the new rules that were given, but are still being exposed to where children would want to smoke and be tempted. Plus, process of elimination. D. can't be it because it says nothing about cigarettes being stolen. C. can't be it either because a display case EXPOSES cigarettes. And B. can't be it because they are still being exposed to it.
Hope it helps.
Answer:
To give a demonstration of (something, such as a product or procedure), to show how (something) works, is prepared, or is done.
Explanation:
