TOEFL Listening: TPO-TOEFL阅读TPO - P0BQFRZ44K54I5WFN$

Select the TWO answer choices that according to paragraph 3, were probable effects of a more sedentary existence among foragers. To receive credit you must select TWO answer choices A. More people were available to care for infants and the aged. B. The frequency of infant mortality decreased. C. Women no longer participated regularly in foraging activities. D. The life span of older people lengthened.