Answer:
a. Collaborative
Step-by-step explanation:
Based on the information being provided in regards to how Olivier leads his team it seems that he is a collaborative leader. This is a type of leadership approach where the leader and employees work together in order to get everything done as a whole. Which seems to be the case in this situation since Olivier is displaying many of the traits associated with this leadership style such as , people skills, adaptation, enthusiasm for work, etc.