The Use of Fossils, DNA Analysis, and Morphological Analysis Provides

The use of fossils, DNA analysis, and morphological analysis provides us with a limited perspective on the cultural lives of early humans, even though it is drawn from hard, factual data. This limitation occurs because

A) we simply do not have sufficient evidence from these sources to draw a final conclusion
B) researchers have not yet developed the technology to fully analyze some crucial aspects of this body of evidence
C) there has not yet been a system of analysis that is better than the one provided by biocultural evolutionary thinking
D) "hard" data is more difficult to identify in cultural dynamics and social relationships, which are also a critical part of hominin evolutio