Clearly Defined Goals Are the Essence of Great Teamwork

Clearly defined goals are the essence of great teamwork. Which of the following statements is the best answer about how goals should be articulated by teams:

A) goals should not be clearly articulated, but rather members should be free to interpret them creatively.
B) goals should be complex, and contain several objectives.
C) goals should be simple and specify ends, but not means.
D) goals should be simple and specify means, but not ends.