A. studies laws that govern human behaviour
B. uses scientific method to explain human behaviour
C. makes use of controlled experiments to explain human behaviour
D. makes use of machines to study human behaviour
Correct Answer: Option B
B. uses scientific method to explain human behaviour
Explanation
Economics is regarded as a science because it uses scientific methods to build theories that can help explain the behaviour of individuals, groups and organisations. Economics attempts to explain economic behaviour, which arises when scarce resources are exchanged.