Among the following sub-projects, the sub-projects that are more dangerous are () A, abutment large-volume concrete pouring B, excavation depth of 4 m foundation pit C, height of 6 m load-bearing mold

Among the following sub-projects, the sub-projects that are more dangerous are ()

A. Abutment large volume concrete pouring

B. Excavation depth of 4m foundation pit

C、 Load-bearing template bracket with a height of 6m

D. Install reinforcement on a platform with a height of 24m

E, T beam prestressed tendon tension

BCE