Final answer:
The reunion between Gatsby and Daisy takes place at Nick's house.
Step-by-step explanation:
The reunion between Gatsby and Daisy takes place at B) Nick's house. In the novel 'The Great Gatsby' by F. Scott Fitzgerald, this is where Gatsby arranges for the meeting, inviting Daisy over to his neighbor's house to ensure privacy and avoid suspicion from her husband. This location symbolizes the unattainable dream Gatsby has been chasing, as Nick's house represents a middleground between Gatsby's extravagant lifestyle and Daisy's more grounded one.