Final answer:
Marcia is careful to honor her commitment to the truth by using reliable sources for each story.
Step-by-step explanation:
One of the primary areas where Marcia is careful to honor her commitment to the truth as a journalist is B, the sources she uses for each story. Marcia understands the importance of using credible and reliable sources to ensure the accuracy and accountability of her reporting. By verifying the information she receives and corroborating it with multiple sources, she can provide her readers with well-researched and factually accurate news.
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