Answer:
D. Size and physical strength are not the only measures of a person's value,
Step-by-step explanation:
According to the story, Jack is a page and he is a small boy for his age but he dreams of becoming a knight like his tough and older cousin.
One day he hears about a plot against the king and he collects evidence which helps stop the plot.
The best statement of theme of the story is option D. Size and strength are not the only measures of a person's value.