They will go to their __________ home to have big family get together. [ ]

A. grandma and grandpa's

B. grandma's and grandpa's

C. grandma' and grandpa

D. grandma and grandpa.

耦合和内聚是评价模块独立性的两个主要标准，其中 【3】 反映了模块内各成分之间的联系。