Please explain.

Which of the following statements is true about correlation and causation? (7pts) A. Controlled experiments yield causal effects; regressions yield causal effects. B. Controlled experiments do Not yield causal effects; regressions yield causal effects. C. Controlled experiments yield causal effects; regressions do not yield causal effects. D. Controlled experiments do not yield causal effects; regressions do not yield causal effects. E. Sometimes, controlled experiments do a better job yielding causal effects, and sometimes regressions do a better job