The figure below shows the relationship between grandparent lifespan and the number of grandchildren born for grandfathers (left panel) and grandmothers (right panel). Which of the following provides the most compelling interpretation of these data.单项选择题

题目图片
A

The different patterns for male and female grandparents provide strong support for the helpful grandmother explanation of menopause

B

The different patterns reflect different sample sizes - a larger sample size would reveal a grandfather effect

C

These data confirm that male humans have a longer reproductive lifespan than female humans.

D

These patterns are correlations and so nothing can be inferred from them.

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