Final answer:
The correct answer is a. A set of team building exercises. The authors' four-part agreement for partnering includes clear communication guidelines, defined project goals and timelines, and agreed-upon roles and responsibilities.
Step-by-step explanation:
The correct answer is a. A set of team building exercises. In the authors' four-part agreement for partnering, a set of team building exercises is not included. The other three elements, which are included in the agreement, are clear communication guidelines, defined project goals and timelines, and agreed-upon roles and responsibilities.