（2016高考训练）阅读下列材料，从每题所给的选项中选出最佳选项。
Whether in the workplace or on the football field, effective teamwork can produce amazing results.However, working successfully as a team is not as easy as it may seem.Effective teamwork certainly does not just happen automatically; it takes a great deal of hard work and compromise.There are a number of factors that must be in place to make a good team.
