While Marcelo Was Playing at the Park,he Picked Flowers to Make

While Marcelo was playing at the park,he picked flowers to make a bouquet for his mother.Rather than scolding him for removing the flowers from a public garden,she praised his efforts and encouraged him to pick more.Which concept best describes this type of behaviour?

A) risk society thesis
B) environmental injustice
C) personal environmental tragedy
D) tragedy of the commons