Karl Marx Argued That the Proletariat Were Unable to Develop

Karl Marx argued that the proletariat were unable to develop a political awareness of their class position because:

A) they simply lacked interest or motivation to do so.
B) they were continually occupied with the struggle to make ends meet.
C) they naturally had lower intellect than the bourgeoisie.
D) stratification and class division is the most natural state for society.
E) class is not political.