图1-2-82所示梁的弯矩图形为下列何图？（）。

• A.<img src="https://timg.fentiku.com/javaimportItems/48556df29f8041a698a34d5118931a4f/images/2eaa52.png" /><br/>
• B.<img src="https://timg.fentiku.com/javaimportItems/48556df29f8041a698a34d5118931a4f/images/2ec807.png" /><br/>
• C.<img src="https://timg.fentiku.com/javaimportItems/48556df29f8041a698a34d5118931a4f/images/2ee637.png" /><br/>
• D.<img src="https://timg.fentiku.com/javaimportItems/48556df29f8041a698a34d5118931a4f/images/2f0cc4.png" /><br/>

正确答案：A