Which of the Following Is Not a Reason Why WTO

Which of the following is not a reason why WTO is being criticized by those opposing free trade?

A) Its trade laws allow imports from low-wage countries and result in a loss of jobs in high-wage countries.
B) Its rules outlawing the ability of nations to stop imports from countries where working conditions are hazardous.
C) The adverse impact that some of its rulings have had on environmental policies.
D) Its lack of ability to force any member nation to take an action to which it is opposed.