Final answer:
Successful companies have excellent skills in marketing, innovation, and customer service. Option d is the correct answer.
Step-by-step explanation:
When it comes to business, those companies that are successful have excellent skills in all of the above areas: marketing, innovation, and customer service. Each of these areas plays a crucial role in the success of a business.
Marketing involves promoting and selling products or services to customers. Innovation helps businesses stay competitive and adapt to changing market demands. Customer service is important for building loyal customer relationships and ensuring customer satisfaction.
For example, a successful company like Apple excels in marketing by creating compelling advertisements for its products, innovates by constantly releasing new and improved versions of its products, and provides excellent customer service through responsive support and user-friendly interfaces.