How do social insects, such as ants, utilize trail pheromones to gather their resources?

• A. A worker lays down a trail of pheromones when returning to the colony so that other workers can use it to find the resources.
• B. A worker covers the food with trail pheromones so other ants can smell it from a distance.
• C. A worker surrounds food with pheromones to deter other organisms from stealing it.
• D. A worker put in some pheromones on the food to make it taste better and avoid spoilage.

Answer: (A)