肘关节组成是

A.肱尺关节，肱桡关节

B.肱尺关节，肱桡关节，桡尺近侧关节

C.肱尺关节，桡尺近侧关节

D.肱尺关节，肱桡关节，桡尺远侧关节

E.肱尺关节，肱桡关节，桡尺关节