Sample lines _____________ depending on your choice.

Sample lines _____________ depending on your choice.

• A. can exist in multiple groups
• B. exist in a corridor
• C. exist independently of groups
• D. can only exist in a group

Answer: (D)

In Civil 3D, sample lines are organized inside a sample line group; that group acts as the container that defines how the lines are arranged, spaced, and tied to a corridor. Because of this structure, a sample line cannot exist on its own without a group. The group provides the context — the stationing, the order, and the relationship to the corridor template it uses. Therefore, the statement that a sample line can only exist in a group is the correct description. The other ideas don’t fit because a line isn’t standalone, isn’t directly “in” the corridor (it lives in the group that the corridor uses), and it isn’t permitted to belong to more than one group.

In Civil 3D, sample lines are organized inside a sample line group; that group acts as the container that defines how the lines are arranged, spaced, and tied to a corridor. Because of this structure, a sample line cannot exist on its own without a group. The group provides the context — the stationing, the order, and the relationship to the corridor template it uses. Therefore, the statement that a sample line can only exist in a group is the correct description. The other ideas don’t fit because a line isn’t standalone, isn’t directly “in” the corridor (it lives in the group that the corridor uses), and it isn’t permitted to belong to more than one group.