题目

补全短文 How do you usually buy what you need,shopping on line or going out to shop in person?With the help of the Internet,shopping is(easy) than before.We can just click out mouse to choose the items we like,pay for them online,and the shopping(finish).It is easy and quick.It helps save money,too.We can save thousands a year if we compare the prices of similar items before(decide) to buy. However,there are always traps in shopping online.If we are(care),we may get into trouble.For example,we may find the color of the item differentthat in the picture online.Sometimes,the size of the item16．在50米赛跑中，小明用了8.16秒，小丽用了8.6秒，小军用了6.83秒，小东用了6.38秒，（　　）跑得快．A．小明B．小丽C．小军D．小东