Which of the Following Statements Is True About Research Evidence

Which of the following statements is true about research evidence?

A) The best evidence available must be strong evidence based on studies that are virtually flawless.
B) Interventions with very strong supporting evidence can be assumed to be effective when you implement them.
C) If you can find no persuasive research evidence for any intervention applicable to your target problem, and you therefore must intervene in the absence of supporting evidence, the fifth stage of the EBP process (evaluating outcome) is no longer relevant or needed.
D) No matter how strong the evidence that supports your chosen intervention may be, you should evaluate whether it achieves the intended outcome when you implement it.