【单选题】

You have heard of Webster Toys. Webster’s have made good, safe, interesting toys for more than a hundred years. Now, we sell them, and children play with them, in countries from New Zealand to Norway, and from Japan toBrazil(巴西). We are looking for someone to sell our toys in the FarEast. He (or she) will be between the ages of thirty and forty. He will already have some years of selling in world markets behind him. He will speak goodEnglish, and at least one other language of the Far east.

The person we are looking for will live in Singapore, and work in our office there, but he will travel for up to six months in any one year. He will know the FarEast quite well already. He will know how to sell in old markets, and where to find new ones. He will understand money, and make more than ever before, for himself, and for Webster Toys.
Webster’s want someone who can stand on his own feet. If you think you are the person we are looking for, write to Mr. J. Sloman at our Head Office.
Webster Toys LtD、
Church Mill, Watford
Herts. WD3 6HE
"He will already have some years of selling in world markets behind him" means______.A．he has already sold things in different parts of the world
B．he has sold toys for some years
C．he has already sold toys all over the world
D．he has already sold things for some years