多项选择题

A.降低其发生概率,使它移位至风险区D
B.降低其损失量,使它移位至风险区C
C.降低其发生概率,使它移位至风险区C
D.降低其损失量,使它移位至风险区B
E.降低其发生概率,使它移位至风险区B