Is it permitted to tow a broken-down vehicle on a motorway using a passenger car?

Is it permitted to tow a broken-down vehicle on a motorway using a passenger car?
A)Yes, as far as the nearest garage.
B)Yes, when the tow truck takes more than half an hour.
C)No, it must be done by a tow truck.Correct
Both on motorways and dual carriageways, where vehicles reach very high speeds, and on all other roads, it is not permitted to tow a broken-down vehicle using a passenger car. This activity is reserved for vehicles authorised for that purpose (tow trucks).