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以紫色洋葱鳞茎表皮为材料观察植物细胞质壁分离现象，下列叙述不正确的是 [ ]A.
在发生质壁分离的细胞中能观察到紫色中央液泡逐渐缩小
B.
滴加30%的蔗糖溶液比10%的蔗糖溶液引起细胞质壁分离所需时间短
C.
发生质壁分离的细胞放入清水中又复原，说明细胞保持活性
D.
用高浓度的NaCl溶液代替蔗糖溶液不能引起细胞质壁分离
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