题目内容：
Directions：There are 2 passages in this section．Each passage is followed by some questions or unfinished statements．For each of them there are four choices marked [A]，[B]，[C]and[D]．You should decide on the best choice and mark the corresponding letter on Answer Sheet 2 with a single line through the center． Questions are based on the following passage．
注意：此部分试题请在答题卡2上作答。
The purpose of the first sentence in Paragraph One is_______________.
[A]to describe the work of some Chinese scholars
[B]to arouse readers’interest in hieroglyphic
[C]to lead readers onto the main theme
[D]to link the preceding part to the present one
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答案解析：