Answer: A. Theory X
Explanation: Theory X is one of of the theories of Management by McGregor and in this theory, If team members dislike their work and have little motivation, then, an authoritarian style of management is in use. This approach is very involves micromanaging people's work to ensure that it gets done properly this Theory X.
This theory believes that workers are naturally unmotivated and dislike work and as a result, team members need to be prompted, rewarded or punished constantly to make sure that they complete their tasks.