The effect of Audrey's parents suing the city to integrate public parks was C. The city closed all of its parks.
Explanation:
The sentence directly after where it states that Audrey's parents sued the city states that the city closed all of its parks. Therefore, the cause is Audrey's parents suing the city, and the effect is the city closed all of its parks.
when the employee will spend best of time with company "they will feel attachment like family" these kind of activities promote harmony and good feeling with each other