On Sundays there were a lot of children playing in the park, parents sat together joking.

发布时间：2020-08-14 23:27:33

On Sundays there were a lot of children playing in the park,      parents sat together joking.
A. their
B. whose
C. which
D. that

网友回答

A. their
(答案→)B. whose
C. which
D. that
解析：whose parents sat together joking 为非限制性定语从句，因为句中有完整的谓语 sat。
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