对称的钢筋混凝土构件，在构件详图中应采用下列哪一种符号表示一半是模板图，一半是配筋图？【2001-159】

• A.<img src="https://timg.fentiku.com/101/2016/10/21/ZDwAwnHETp.png" title='ZDwAwnHETp.png' alt='ZDwAwnHETp.png'/>
• B.<img src="https://timg.fentiku.com/101/2016/10/21/jv4LEOq2JO.png" title='jv4LEOq2JO.png' alt='jv4LEOq2JO.png'/>
• C.<img src="https://timg.fentiku.com/101/2016/10/21/7IGvKkE2DL.png" title='7IGvKkE2DL.png' alt='7IGvKkE2DL.png'/>
• D.<img src="https://timg.fentiku.com/101/2016/10/21/yWeq9zA1O0.png" title='yWeq9zA1O0.png' alt='yWeq9zA1O0.png'/>

正确答案：A