Themainideaofthepassageisabout＿.

题目：Themainideaofthepassageisabout＿.

A．women’sroleinAmericanfamilies
B．advantagesoffastfoodforAmericans
C．modernlifestylesanddietinAmerica
D．shiftofAmericanhomeentertainment

喵查答案：C