问题描述：
求解关于一道语法题疑问
On Sundays there were a lot of children playing in the park,_________ parents seated together joking.
A.their B.whose C.which D.that
为什么是独立主格结构?seated不是谓语那它做什么成分?独立主格结构的真正谓语是什么?
On Sundays there were a lot of children playing in the park,_________ parents seated together joking.
A.their B.whose C.which D.that
为什么是独立主格结构?seated不是谓语那它做什么成分?独立主格结构的真正谓语是什么?
问题解答：
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