Kevin’s（）are botn doctors A：parents B：brother C：grandparents D：sister
问题描述：
Kevin’s（）are botn doctors A：parents B：brother C：grandparents D：sister
答
A C 都对
Both:两个都是
-->不可能是B 或 D (只有一个人)
Kevin's parents are both doctors.
Kevin's grandparents are both doctors.
要选一个的话 选A