A rich American went into a shop in London. He wanted very much to get a nice-looking watch. He saw a watch and liked it so much that he decided to buy it. But the owner of the shop asked five hundred dollars for it.___1_D__ the American was hesitating, a young man suddenly came into the shop, took ___2_E__out of the owner's hand and ran out with it. It all happened in a few seconds. When the owner ran out ___3A___the street, the young man had already disappeared among the people. The American went on. At the next corner, he saw the young man with the stolen watch in his hand, “Do you want to buy a fine watch, sir?” he said in a low voice, “It's only a hundred dollars.”“The young man doesn't know I saw him stealing the watch just now,” he thought. The American paid at once and went happily back to his room with the watch. He told his friend about the fine watch. His friend ___4_C__ a look at the watch and started to shout immediately. He said, “You are a fool. This watch is worth only ten dollars. I'm ___5B___the shop owner and the young man planned all this together.”
选项：

A: into
B: sure
C: took
D: While
E: the watch