B. Building blocks
This is most likely to be the answer
The correct answer is D. Formal operational stage.
There are stages which are intellectual development for piaget's. For example, Formal operational, , concrete operational, preoperational and sensorimotor which occurs during birth to the age of twenty four years.
Piaget's theory shows development of intelligence of development and the reorganization of mental which results from maturation of biological and environmental experience.
Answer: Appreciation
Explanation: For managing time effectively and therefore completing the edition of the challenging issue, which translates to meeting up with deadline, Jessy took her team out to lunch as a show of appreciation for the work done. In simpler terms, Jessy is grateful or thankful for her team of editors work and effort.