正确答案是：“从上面取”。“从下面取”会增加细菌传播的风险。Inc.com网站写道，如果从下面取厕纸，手指就很可能碰到墙面，留下污迹。之后使用厕所的人就很可能接触到墙面上的细菌，并进一步传播。

How to hang toilet paper?

The correct answer is “Over”. “Under” increases the chance of food-poisoning bacteria spreading. Inc.com writes if the toilet paper is hung "under" there's a good chance your fingers will brush the wall, leaving a deposit. Future bathroom users face the risk of picking up left over bacteria while also depositing more.