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- 单项选择题 A web browser need NOT always perform a complete request for a particular page that it suspects mightNOT have changed. The HTTP specification provides a mechanism for the browser to retrieve only a partialresponse from the web server； this response includes information， such as the Last-Modified date but NOTthe body of the page. Which HTTP method will the browser use to retrieve such a partial response？（）
A、GET
B、ASK
C、SEND
D、HEAD
E、TRACE
- D
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