I think its A.
Sorry if it isn't.
Biological approach attributes psychological disorders to organic, internal causes.
Explanation:
The abnormal growth in the growth pattern of the individual or the adverse condition internally or externally due to the environmental factors which can affect the growth pattern of a normal individual is called as physiological disorder.
The changes that the body undergo during physiological illness is apparent to others this is because it is caused due anxiety or other related problems. By focusing and by keenly observing the function and the behavior of the nervous system at the cellular and structural level is called as biological approach.
Two major quantitative research tools which are being used by sociologists would be graph theory - graph theory is a special area of mathematics which gets used in social network theory and is an interesting tool to use. Another are questionnaires which represent the bulk of sociologist empirical research.
The correct answer is a job