Answer:
A. rebranded.
Step-by-step explanation:
Based on the information provided within the question it can be said that the new ads suggest that Head & Shoulders has been rebranded. In a business context, this refers to changing the corporate image of the company by changing the name, symbol, design, concept, or even a combination of these traits in order to develop a new identity for the brand. Which is what Head & Shoulders seem to be doing by changing their concept of being a dandruff shampoo to a health-oriented glamorous shampoo.