Which of the following options reflects the proper method for selecting geometries while sketching?

The proper method for selecting geometries while sketching in SolidWorks is to hold down the shift key to select multiple items. This approach enables users to efficiently choose various parts of the sketch, such as lines, arcs, or shapes, without needing to click on them one by one. By holding the shift key, you can add to your selection, allowing for a quicker and more streamlined workflow, especially in complex sketches where multiple entities need to be selected simultaneously for actions like deleting, moving, or applying constraints. This ability to select multiple items is essential for effective sketch management and ensures that modifications can be made quickly without excessive mouse clicks.

Selecting items one at a time would be time-consuming and inefficient, particularly for sketches with numerous entities. Dragging the selection box from right to left generally selects all objects that fall within the box, but it may also inadvertently select unwanted items, which can lead to further adjustments. Using the context menu is also not as direct for selecting multiple items during a sketch; instead, it is typically for accessing commands related to the selected item after a selection has been made. Thus, the method of holding the shift key stands out as the most effective and commonly used technique in SolidWorks sketching.