Final answer:
Social media marketing may use web-based promotional tools like online advertising and email to reach a broader audience and promote products or services. The correct option is d.
Step-by-step explanation:
The method that may also use web-based promotional tools like online advertising and email is Social media marketing. Social media marketing utilizes various online platforms to promote products or services and engage with the target audience. It allows businesses to leverage the power of social media to reach a broader audience and drive traffic to their websites or online stores. For example, a company can run targeted ads and send promotional emails to its subscribers to increase brand awareness and generate sales.
The correct option is d.