Answer:
The answer is A. demand complete attention.
Explanation:
Mihaly Csikszentmihalyi is a psychologist who created the psychological concept of flow. In his work Flow: The Psychology of Optimal Experience, Mihaly Csikszentmihalyi develops his theory and considers that the state of flow makes people to be happier.
The state of flow is concerning to a state of concentration with the activity a person is doing as well as with the situation. In this state, the person is so involved in a specific activity and other things or aspects don't matter. The flow state is considered as a good state in terms of intrinsic motivation because the person is completely engaged with the activity he or she is doing.
