Final answer:
The correct answer is C. The starting skill level of the physical activities included in a personal fitness program should not be determined from other individuals' fitness programs.
Step-by-step explanation:
The correct answer is C. The starting skill level of the physical activities included in a personal fitness program should not be determined from other individuals' fitness programs. When developing a personal fitness program, it is important to consider personal factors such as age, health concerns, and likes (option B). Additionally, the FITT principle, which stands for Frequency, Intensity, Time, and Type, should be used when developing a personal fitness program (option D).
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