A:making; Misunderstood
B:made;Being misunderstood
C:has made;Be misunderstood
D:had nade; Having been nisunderstood
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如图所示,20℃时将一盛有饱和KNO3溶液的试管侵入盛有水的烧杯中,向水中加入适量某物后,试管内有晶体析出,加入的物质可能是( )