"... Labour turns out at six and with busy pen and ringing hammer lays the foundation of competence." What does this statements mean?

• A. Hard work of all kinds makes people efficent
• B. Labour lays the foundation of the building
• C. The writer and the labourer are the true eyes of the society
• D. There is no worker who works so hard as the labourer who begins his day at six in the morning.