Not long ago, I had my first on－line chat. I thought it would be【C1】______because I have h

Not long ago, I had my first on-line chat. I thought it would be【C1】______because I have heard so many people describe it in that way. But it was, disappointingly, quite an unpleasant【C2】______. On line I met a man【C3】______said he was a manager in a big company in Dalian. We chatted pleasantly first, then exchanged e-mail adresses in order to keep in touch in the future.【C4】______, he sent me an e-mail. When I opened it, I found, to my surprise, a detailed(详细的)self-introduction including age,【C5】______, weight, habits and future plans. It was an advertisement for a dating(约会)service! I was hurt【C6】______felt rather angry. When I told a veteran(有经验的)Internet surfer(网民)of my experience, he said it was not uncommon. I was【C7】______. The Web provides such a nice, large place to make friends, why do some people【C8】______it？ The relationship between one another should be mutual(互助的)politeness and respect. Online we cant see one another s physical form, but we are talking through our【C9】______. Such tricks as the one I met are not polite at all. Since the Web belongs to everyone, every user has a duty to keep a friendly and polite atmosphere(氛围). We need【C10】______honesty and respect on-line.

【C1】

A．exciting

B．disappointing

C．surprising

D．frightening

请帮忙给出正确答案和分析，谢谢！