单项选择题

以下药物的鉴别反应是
盐酸氯丙嗪
A.
B.
C.
D.
E.

A.取供试品0.1g，加水与0.4%氢氧化钠溶液各3ml，加硫酸铜试液1滴，生成草绿色沉淀
B.取供试品适量，加水溶解后，加溴化氰试液和苯胺溶液渐显黄色
C.取供试品10mg，加水1ml溶解后，加硝酸5滴，即显红色；渐变淡黄色
D.取供试品适量，加硫酸溶解后，在365nm的紫外光下显黄绿色荧光
E.取供试品，加香草醛试液，生成黄色结晶，结晶的熔点为228～231℃
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