【单选题】That a person could live in the modern world without synthetic substances is probably possible, but whoever tried to do it would soon miss many common things. (46) Just imagine how many varieties of p...
A.
Besides plastic pens, combs and tooth brushes, he would be without many kinds of cloth as well as some necessary parts for radios and television sets.
B.
The history of plastics is longer than you might expect.
C.
That's why factories for making them can be found in many countries.
D.
The former is lighter in weight, easier to wash and dry, keeps in shape much longer and does not wear out so quickly.
E.
It is not likely that plastic fibers will compelely take the place of natural fibers.