Who is responsible for carrying out the security check on a bus?

1. AThe bus driver. He must carry out a security check only before the start of the journey.
2. BThe bus driver. He must do it before the start of a journey and at the end of every journey.
3. CThe bus driver. He must carry out a security check only at the end of the journey.
4. DA security check is done only by a qualified inspector.

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