根据《工程网络计划技术规程》,下列单代号网络计划工作及时间参数的表示方法,正确的有()。
A <img src="https://www.beizhujiaoyu.com/uploads/202208/16071726151901.png" alt="" width="200" height="243" title="" align="" /> B <img src="https://www.beizhujiaoyu.com/uploads/202208/160717262713561.png" alt="" width="200" height="60" title="" align="" /> C <img src="https://www.beizhujiaoyu.com/uploads/202208/160717264439651.png" alt="" width="200" height="233" title="" align="" /> D <img src="https://www.beizhujiaoyu.com/uploads/202208/160717265676601.png" alt="" width="200" height="73" title="" align="" /> E <img src="https://www.beizhujiaoyu.com/uploads/202208/160717266758601.png" alt="" width="200" height="72" title="" align="" />