Answer:
I believe the answer is A, Primary sources are often eyewitness accounts ;secondary sources have been researched and shaped .
Step-by-step explanation:
Primary sources are sources that are closest to the origin of the information. Secondary sources often use generalizations, analysis, interpretation, and synthesis of primary sources. Examples of secondary sources include textbooks, articles, and reference books. Examples of primary sources include photographs, audio recordings, video recordings, films, journals, letters, and diaries.