Final answer:
The map overlay for the output to be a line feature is Point/line.
Step-by-step explanation:
The map overlay for which the output will be a line feature is a) Point/line.
In cartography and geographic information systems (GIS), a line feature represents a linear entity such as a road, river, or railway. When overlaying point features (such as cities or landmarks) with a line feature, the output will be a line that connects the points, creating a path or route.
For example, if you overlay a point feature representing cities with a line feature representing highways, the output will be the actual highways connecting the cities.