Given in a single JSP page： Which two are true？（）
A. The prefix ’java’ is reserved.
B. The URI ’myTags’ must be properly mapped to a TLD file by the web container.
C. A translation error occurs because the prefix is considered identical by the web container.
D. For the tag usage ， the tag1 must be unique in the union of tag names in ’myTags’ and’moreTags’.
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