The Information in Which of the Following Statements Would Be

The information in which of the following statements would be considered evidence that infant crying and adult aversion to it have adaptive significance?

A) Babies who cry more are more likely to be abandoned than those who cry less.
B) The peak time for crying is in the evening.
C) Babies who are with their mothers throughout the day and night cry more frequently than do other babies.
D) Babies who cry more are more likely to survive times of severe hardship, such as famine.