According to the Harvard Research Project, the three primary and interrelated factors critical to achieving youth outcomes are

  A. beginning on time, daily interaction, and strict discipline. B. enjoyable transitions, friendly parent-teacher relations, and imaginative stories. C. planning, relevance, and structure. D. access to and sustained participation, high-quality curriculum, and strong partnerships.

  D.

The correct answer is D. According to the Harvard Research Project, the three primary and interrelated factors critical to achieving youth outcomes are access to and sustained participation, high-quality curriculum, and strong partnerships.

To arrive at this answer, you can follow these steps:

1. Read the question and the answer choices carefully to understand what is being asked.
2. Look at each answer choice and evaluate its relevance to the question.
3. Cross out answer choices that do not align with the factors mentioned in the question.
4. Examine the remaining answer choices and compare them to the three factors mentioned in the question - beginning on time, daily interaction, strict discipline; enjoyable transitions, friendly parent-teacher relations, imaginative stories; planning, relevance, structure; access to and sustained participation, high-quality curriculum, strong partnerships.

By considering the relevance of each answer choice to these factors, you can determine that the best answer is D, as it includes all three factors mentioned in the question.