，the more expensive the camera，the better its quality.
A. General speaking
B. Speaking general
C. Generally speaking
D. Speaking generally
网友回答
A. General speaking
B. Speaking general
(答案→)C. Generally speaking
D. Speaking generally
解析： 分词短语独立成分。现在分词短语作为习惯用语不遵守分词的附着规则。