单选题:根据以下选项,回答题:A.伪麻黄碱 B.广藿香酮 C.穿心莲内酯 D.青蒿素 E.齐墩果酸 抗疟的有效成分是

题目内容:
根据以下选项,回答题:
A.伪麻黄碱
B.广藿香酮
C.穿心莲内酯
D.青蒿素
E.齐墩果酸
抗疟的有效成分是
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