Which of the following descriptions most accurately defines a protohistoric era? A. a time period between prehistory and written history
B. a time period before human beings inhabited the Earth
C. a time period before a major historical event occurred
D. a time period of a culture that left scant evidence of its existence and must be discovered by
archaeologists and anthropologists

A. a time period between prehistory and written history

Explanation:

A is the closest answer because the definition of protohistoric era is "a period between prehistory and history during which a culture or civilization has not yet developed writing, but other cultures have already noted its existence in their own writings." A is the only answer that matches up with the definition of protohistoric era.