Identify this icon: 
A.
Customize Columns in the View
B.
Customize Tabs in the Details
C.
Customize GANTT Chart Options
D.
Customize and Save View
Explanation:
See 3) below for the use of the Gantt Chart Options button.Customizing the Resources Assignments Gantt Chart Bars
Customize the settings for the Gantt chart view on the Resources Assignments page. You can set
features for up to three bars per assignment.
To customize the resource assignments Gantt chart bars:
1) Click Resources.
2) On the Resources navigation bar, click Assignments.
3) On the Assignments page, click View and choose:Gantt Chart Options.
