听力原文：For many years, T-shirts were simple short-sleeved undershirts for men and boys.

听力原文： For many years, T-shirts were simple short-sleeved undershirts for men and boys. T-shirts used to be of one colour white.And since they were worn under shirts, they generally not seen.

Today the T-shirts have become fashionable. They can be seen everywhere and on everyone. Women and little children wear T-shirts as to teenagers, university students, and men from all walks of life. T-shirts are worn on playground, at the beach or in town. They can also be worn for work. Yet T-shirts remain relatively inexpensive and long wearing, as well as easy to care for. Smart but comfortable and convenient to wear, they have become one of American's newest ideas on fashion.

Although T-shirts are now available in a wide variety of bright materials and styles, the most popular kind is the traditional cotton T-shirts with a slogan or picture printed on the front. A T-shirt may bear a single word, a popular phrase, picture of popular singers, or an advertisement. As T-shirts are becoming more and more popular, new designs are coming up all the time.

(23)

A．The silk T-shirt in white colour.

B．The cotton T-shirt with a slogan or picture.

C．The nylon T-shirt worn on playground.

D．The wool T-shirt worn for work.