Which of the Following Statements Is True

Which of the following statements is true?

A) Dietary recommendations are generally based on the findings of one well-respected team of nutrition researchers.
B) Since 1995,nutrition information has undergone few updates,because scientists have discovered all of the nutrients and determined their functions.
C) A scientist's professional affiliations and sources of financial support may influence his or her research findings.
D) The results of one study are usually enough to convince the majority of nutrition scientists to adopt new ideas about nutrition-related topics.