※ 引述《hippowo (迷戀摩卡~~)》之銘言：
: ※ 引述《Voldemort (一葉飄然煙雨中)》之銘言：
: : 應該都是吧
: 可是這是單選題啊
The youngest layer of xylem would be located A) just out the pith
B) just outside the cambium C) just inside the cambium D) immediately
adjacent to the periderm E)none of the above
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