以下不是痤疮病因的是（）
A.皮脂分泌增多
B.雄激素作用
C.真菌感染
D.毛囊皮脂腺导管异常角化
参考答案：C
.--- What are you going to do next?
--- To write a science story about outer space ___ by Science and Technology Press.
A．published
B．being published
C．to be published
D．publishing
低压水枪的压力是由什么部位决定的！
