DPP是为（）设计使用的高性能RAW图像处理、查看和编辑的软件。

A、尼康系列相机

B、佳能EOSD igital系列相机

C、所有品牌数字相机

D、飞思数字后背

Jane Austen's main literary concern is about ______.

A. maturity achieved through the loss of illusions
B. the love story between the rich and the poor
C. human beings in their personal relationships
D. the daily country life of the middle-class English