Marcus has worked in construction for the past 15 years.Like his father and grandfather, he works mostly on commercial roofing jobs as a skilled labourer.In Canada, which social class would Marcus be part of?

A) working class
B) lower middle class
C) upper middle class
D) upper class

Marcus is not in the upper or lower middle class, as these classes are typically associated with professions such as managerial or professional jobs. Additionally, the fact that he is a skilled labourer suggests that he is not part of the upper class, which tends to be associated with high-level executives and wealthy individuals. Therefore, the most appropriate classification for Marcus would be the working class.