When my parents told me they were getting separated. I couldn’t believe our family was going to       .  .

A．break down

B．break away

C．break up

D．break out

建筑基坑采用排桩或地下连续墙时，其构造要求中，下述不正确的是( )。

A．悬壁式排桩结构桩径不宜小于600mm

B．排桩顶部应设钢筋混凝土冠梁连接，其宽度不宜小于桩径，高度不宜小于400mm

C．现绕式钢筋混凝土地下连续墙厚度不宜小于1000mm

D．当采用锚杆支撑时，锚杆自由段长度不宜小于3m