单项选择题

What brings trouble to fast food industry

A．Customers' demand and competition with retailers.
B．The aging baby-boomer and diversity of food.
C．Competition with retailers and diversity of food.
D．Customers' demand and the aging of baby-boomer.

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热门试题

单项选择题

What is NOT true about baby-boom generation

A．They seek a variety of food.
B．They have come of age.
C．They will spend more money on food.
D．They tend to have luxurious food.