单项选择题
A.自我控制 B.预防控制 C.被动控制 D.全过程控制
A.14% B.13.33% C.11.67% D.11%
A.10%,30%,30% B.10%,28%,33.33% C.10%,30%,23.41% D.10%,23.41%,42.85%