Corporate Strategy Vertical Integration and Diversification

A company like Disney utilizes "Economies of Scope" effectively. Which example best illustrates this?

• ADisney sells millions of tickets to its theme parks, lowering the cost per visitor (Scale).
• BDisney hires actors on long-term contracts.
• CDisney uses the "Frozen" characters for a movie, a theme park ride, merchandise, and a Broadway show, monetizing the same IP asset across multiple revenue streams.
• DDisney acquires Fox to reduce the number of competitors in the industry (Market Power).