Step 3 » GENERAL learning environment Category D (D, D1, Tb, Tv)

For answer  A 

To the driver of the motor vehicle, agricultural or forestry tractor or tram is prohibited the throwing, on public roads, from the vehicle objects, materials or substances.

For answer  B 

The opening of the doors is permitted when the vehicle is stopped or waiting on the carriageway, but with the condition to make sure before opening them.

For answer  C 

The use of the sound system with which the vehicle is equipped is permitted, but the use of it is prohibited at a noise level that would affect the safe movement of its driver and of the other traffic participants.

The correct answer is: A

Recommendations:

The obligations and prohibitions of the drivers of vehicles - Audio-Video Lesson --> Traffic Code - Obligations, prohibitions and aggressive driving

For answer  A 

Regulation** - Article 148

Is prohibited the driver of the motor vehicle, agricultural or forestry tractor or tram:
[...]
20. to throw, on public roads, from the vehicle objects, materials or substances;
[...]

For answer  B 

Regulation** - Article 145

Is prohibited the driver of the motor vehicle, agricultural or forestry tractor and the passengers that during the stopping or waiting to open or to leave open its doors or to get off without making sure that they do not create a danger for the traffic.

For answer  C 

Regulation** - Article 148

Is prohibited the driver of the motor vehicle, agricultural or forestry tractor or tram:
[...]
7. to have during the driving concerns likely to dangerously distract his attention or to use sound systems at a noise level that would affect the safe movement of him and of the other traffic participants;
[...]

** Regulation = REGULATION for the implementation of OUG 195/2002 updated (Traffic Code Regulation)