力F作用在长方形的右侧面内,各棱长和坐标轴如图1-4所示,则该力对x轴之矩为( )。

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/uploadFile/photo/52dc9fb6a0834d938ac8ccc786af01b6.png" alt="上传图片">

B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/uploadFile/photo/d43cdcc089ea4d33a66f2ff380f37c77.png" alt="上传图片">

C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/uploadFile/photo/150988c1942548eb84e32c7ed0c769ba.png" alt="上传图片">

D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/uploadFile/photo/8009205a72e540fdbf0e6c8576380922.png" alt="上传图片">