（ ） is a type of bar chart that illustrates a project schedule. It illustrates the start and finish dates of the terminal elements and summary elements of a project.
A.gantt chart B.project histogram C.milestone chart D.project flowchart正确答案A
（ ） is a type of bar chart that illustrates a project schedule. It illustrates the start and finish dates of the terminal elements and summary elements of a project.
A.gantt chart B.project histogram C.milestone chart D.project flowchart正确答案A
