Brilliant technology company has set up a team to develop a new software system, which can automatically repair the faults in data batching. The focus of the team structure is to effectively coordinate the development tasks and minimize the free time between tasks. However, team members sometimes feel frustrated because no one really leads the team or decides how to prioritize the characteristics of the software system, What is the structure of the team?
A. Heavyweight
B. Functional
C. Autonomous
D. Lightweight

辉煌科技公司创立了一个团队，开发出一款新的软件系统，可以自动修复数据批处理中的故障，团队结构的重点是有效的协调开发任务，并最小化任务之间的空闲时间，然而团队成员有时会因为没有人真正领导团队或决定如何优先考虑软件系统的特性而感到沮丧，请问这是一个什么类型的团队？