Answer: d)the separation of workers from the things they produce
Explanation: In terms of industrial economics, alienation is defined as the mechanism in which laborer or worker is made to feel isolated towards the goods they have made or produced . The foreign or disconnected feeling is induced in labors under the capitalist terms and society.
Other options are incorrect because poverty,reciprocity in negative form and land loss does not occur due to alienation in industrial field. Home is not disconnected from workplace of the worker.Thus, the correct option is option(d).