Final answer:
Meredith and Derek's adopted baby's name is Zola, a character from the medical drama series Grey's Anatomy. Option b is correct.
Step-by-step explanation:
The name of Meredith and Derek's adopted baby is Zola. This storyline occurs in the television show Grey's Anatomy, which is a medical drama series revolving around the personal and professional lives of surgical interns, residents, and attending physicians.
Meredith Grey and Derek Shepherd, two of the main characters, adopt a baby girl named Zola, who quickly becomes an integral part of their storyline and the show's broader narrative surrounding family and relationships.