Letter A is the correct answer.
Evolutionary psychologists are most likely to be criticized for giving hindsight explanations for certain human behaviors. For instance, if you have a kid who doesn't eat spinach like the rest of the family does, an evolutionary psychologist will suggest that, over many generations, your child inherited this aversion to spinach.
Qualitative research, it constitutes a research method widely used by scientists and researchers who study human behavior and habits, is the approach to data collection, analysis, and report writing differing from the traditional, quantitative approaches. This type of study is built in to provide a further distinction between quantitative and qualitative research methods.