科学社会主义在二十世纪的中国焕发出强大生机活力，在世界上高高举起了中国特色社会主义伟大旗帜。()

A. They are thin, tall, and unlike real human beings.
B. They have more than twenty different hair textures.
C. They have twenty-four different body shapes in total.
D. They represent people from virtually all walks of life.

A. In toy stores.
B. In shopping malls.
C. On the Internet.
D. At Barbie shops.

A. Price reductions for its frequent customers.
B. Coupons for customers with bulk purchases.
C. Free delivery of purchases for senior customers.
D. Price adjustments within seven days of purchase.