CleanGreen, an environmentally friendly business, short-listed candidates for their innovation department. As part of the selection process, the candidates were asked to work in groups with current employees and find possible solutions for the pollution problem in the Vaal River. Each potential candidate then had to present their group's solutions to the management team of the business, whereafter a successful candidate will be selected. Which selection method is displayed in the scenario? (2)

A.
Medical examinations

B.
Interviews

C.
Psychometric testing

D.
Assessment centres

E.
Application forms

D. Assessment centres