A student has made a plan for research. Read the plan and the directions that follow. Research Report Plan Topic: Bengal tigers Audience: eighth grade science class Purpose: to inform Research Question: What has caused the Bengal tiger to become endangered? Select the credible, or trustworthy, source that will most likely provide the information needed to answer the research question. A. a dictionary that contains an entry for "tiger" B. a complete printed list describing all the thriving species that live in the same habitat as the Bengal tiger C. a research report completed by a high school student on Bengal tigers several years ago D. a comprehensive listing published by a national scientific organization that describes each animal marked as endangered that explains which animals are endangered and why

D. a comprehensive listing published by a national scientific organization that describes each animal marked as endangered that explains which animals are endangered and why