[QA] Why does the writer mention Pixar, DreamWorks, Google, and facebook in paragraph 1?

Question:

Why does the writer mention Pixar, DreamWorks, Google, and facebook in paragraph 1?

• A.
  Apple developed the four companies. 
• B.
  They are examples of innovation and success.
• C.
  They are related to computer systems.
• D.
  They are very popular with kids and teenagers.