Which of the Following Is the Least Accurate Statement About

Which of the following is the least accurate statement about systems-thinking?

A) It can be applied to a range of complex health problems, from antibiotic resistance to obesity to the opioid epidemic.
B) It helps identify bottlenecks and leverage points where interventions may have a large return on investment.
C) It can generally be conducted using existing data and making few assumptions.
D) It starts by identifying factors previously investigated using a reductionist approach.