Final answer:
The proper length for tablecloths to drape above chairs where guests will be seated is approximately 3 inches.
Step-by-step explanation:
The correct answer is A. 3 inches. When it comes to tablecloths, the general rule is to drape the cloth approximately 6-8 inches from the edge of the table. Since the chairs are typically pushed in, the cloth should hang about 3 inches above the chairs where the guests will be seated.