Final answer:
Only pest control company employees actively engaged in applying pesticides generally need ID cards, as per most regulations. It's important to refer to local laws for specific requirements. the correct answer is B.
Step-by-step explanation:
In the context of pest control companies, while specific regulations can vary by region, generally, ID cards are most often required for employees who handle and apply pesticides directly, due to the nature of their work and the necessity for proper identification in the field for safety and regulatory compliance.
This suggests that the correct answer to the question is that only employees actively engaged in applying pesticides need ID cards. However, for exact requirements, you should always consult local laws and regulations regarding pest control operations as there can be some variation based on the jurisdiction.