多选题Which the two are true about the JSTL core iteration custom tags？（）AIt may iterate over arrays， collections， maps and strings.BThe body of the tag may contain EL code， but not scripting code.CWhen looping over collections， a loop status object may be u

多选题Which the two are true about the JSTL core iteration custom tags？（）AIt may iterate over arrays， collections， maps and strings.BThe body of the tag may contain EL code， but not scripting code.CWhen looping over collections， a loop status object may be used in the tag body.DIt may iterate over a map， but only the key of the mapping may be used in the tag body.EWhen looping over integers （for example begin1=’1’ end=’10’）， a loop status object may not be used in the tag body.