A . A.80~89%,90~99%,100~109%,110%以上B . B.80%以下,80.1~100%,90.1~100%,100.1~110%C . C.90%以下,90~100%,100~110%,110~120%,120%以上D . D.85%以下,85~95%,95~105%,l05~115%
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