Answer:
D) Corporate level strategy
Step-by-step explanation:
Corporate level strategy involves decision and actions that are taken to achieve objectives big the business that affects all aspects of the business.
It is the opposite of functional strategy that focuses on actions that affects only a particular function of department.
In this instance Green Frog is considering expanding beyond the cosmetics industry into pharmaceuticals in order to gain competitive advantages by operating in multiple markets and industries. This will will affect all aspects of the business and so is considered a corporate strategy.