单选题
图示结构的弯矩图应为
- A.<img src="http://timg.fentiku.com/img/2019-03-01/5c78a400cddd8.jpg" alt="" /></p><p>
- B.<img src="http://timg.fentiku.com/img/2019-03-01/5c78a40116a98.jpg" alt="" /></p><p>
- C.<img src="http://timg.fentiku.com/img/2019-03-01/5c78a4014fca8.jpg" alt="" /></p><p>
- D.<img src="http://timg.fentiku.com/img/2019-03-01/5c78a40188eb9.jpg" alt="" /><br /><br /><br /></p>
正确答案:B
