多项选择题
A.$0000) B.$# C.$@ D.$*
A.echo ${NUM[*]} B.echo ${NUM[@]} C.echo ${NUM[#]} D.echo ${NUM[0-2]}
A.echo ${NUM[#]} B.echo ${NUM[0-2]} C.echo ${#NUM[@]} D.echo ${#NUM[*]}
A.continue B.exit C.quit D.break
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