CC3 allows you to select entities using a right click popup menu. You can find the on/off switches for the right click menu under the Options [Tools > Options] – make sure that Select with right-button context menus is checked.
Note that you can type the underlined letter for each choice (when available) to hotkey the selection.
Start an editing command then right click to see the selection menu.
Do it: Choose to end selection. The editing command you invoked can now be carried out.
Cancel: Choose to cancel both the selection and the current command.
And, Or, and Not: choose whether selected entites are added to or removed from the current selection. More
All: Choose to select all entities in drawing. Does not select entities on frozen layers. Available only if no entities have been immediately selected.
Prior: Choose to select the entities last edited/created in a previous command. Available only if no entities have been immediately selected.
Color: Choose to select entities by color. You can pick a color from the Color Bar, type a color number, or right-click and select a color from the current palette.
Layer: Choose to select entities by layer. You can type in a layer name, or right-click and select a layer from the Select Layer dialog box.
Line Style/Fill Style: Choose to select entities by Line or Fill Style. Type in a fill style or line style name, or right click and select from the dialog box.
Entity Tag #: type a number to select an entity by its unique number as see in under Info > List.
Entity Type: Choose to select an entity type (e.g. arc, path) from the Select Entity Type dialog box. All selectable entities of the type you select will be selected.
CC3 works the way you think, in a verb-object orientation. That is, if you want to "erase a circle," you first choose the Erase, then select the circle. This is the recommended method.
To change to the standard Windows method (choose entities, then select a command)
CC3 also has the option to select entities using a series of dialog boxes