________ the day went on, the weather became warmer and warmer．

________ the day went on, the weather became warmer and warmer．

A.While

B.When

C.As

D.With

答案及解析： C

解析：

句意为：“随着一天一天地过去，天气越来越暖和了。”表示“随着”的词有as和with，而with是介词，不接句子。