单选题
在结构平面图中,下列对柱间支撑的标注,哪一种形式是正确的?()
- A.<img src="http://timg.fentiku.com/img/2018-04-02/5ac17afacc766.png" alt="" />
- B.<img src="http://timg.fentiku.com/img/2018-04-02/5ac17b16a29d6.png" alt="" />
- C.<img src="http://timg.fentiku.com/img/2018-04-02/5ac17b1dbe4d5.png" alt="" />
- D.<img src="http://timg.fentiku.com/img/2018-04-02/5ac17b252e9b5.png" alt="" />
正确答案:A
