预应力混凝土先张法构件中,混凝土预压前第一批预应力损失应为 ( )。

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1516340287057416523e0edbc4a819e658ab9ebd9ef41image24.png">

B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/151634028713802b34bfba2bc4361b9e0a27d825c8169image25.png"> ;

C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15163402872441255d40d744a4dc680624823c8fe8cd3image26.png">

D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15163402873565d5a72eec60e411fbbb91ab9652d2c0aimage27.png">;