Which of the Following Is Not an Assumption That Regulators

Which of the following is not an assumption that regulators make?

A) People often make incorrect choices.
B) People can be exposed to unscrupulous advice that is motivated by self-interest.
C) Unscrupulous behaviors will not occur when there is heavy regulation.
D) All of the above are assumptions that regulators make.
E) None of the above is an assumption that regulators make.