Final answer:
The statement that reveals a child who is talking about his or her extended family is: 'I have a big family, including my parents, siblings, and grandparents.'
Step-by-step explanation:
The statement that reveals a child who is talking about his or her extended family is:
B) 'I have a big family, including my parents, siblings, and grandparents.'
This statement includes the child's immediate family (parents and siblings) as well as their extended family (grandparents). It indicates that the child has a larger family beyond just their parents and siblings.