问题详情

WebSQL is a SQL-like (71 ) language for extracting information from the web.Its capabilities for performing navigation of web (72 ) make it a useful tool for automating several web-related tasks that require the systematic processing of either ail the links in a (73), all the pages that can be reached from a given URL through (74) that match a ' pattern, or a combination of both.WebSQL also provides transparent access to index servers that can be queried via the Common (75) Interface.
A.query
B.transaction
C.communication
D.programming请帮忙给出正确答案和分析，谢谢！