How does Whatley $(2009)$ define the term $$ground rules$?$

Question $2$ options:

a$)$

An expression of shared expectations of membership, also known as norms and standards, representing the culture of the team, which contribute to the norming stage of a team.

b$)$

Guidelines set by the team leader for effective and efficient team process.

c$)$

Rules that are reached through consensus to guide the team to productive outcomes.

d$)$

A method of organizing a team and its resources to maximize intended results.

e$)$

Standardized codes of conduct that have been tested and validated through group process research.