Gabriella, Paul, and Thomas are working together on a Chemistry lab assignment. The three group members have been lab partners for the last two months, and at this point they trust that they can split up the work among the three of them and each person will do what is needed to complete the lab assignment correctly and on-time. What stage of group development are the three of them at, presently?

a. Norming
b. Storming
c. Performing
d. Forming