下面关于项目管理的说法哪一项是正确的?Which of the following statements is true of project management?
A.
它是一个有限且简单的学科。It is a simple discipline with a limited scope.
B.
它有能在各种项目中都可以使用的特殊工具。It has specific tools which work universally across all kinds of projects.
C.
它不保证所有项目。It does not guarantee successes for all projects.
D.
它的架构仅包括项目管理知识领域。Its framework consists solely of project management knowledge areas.