141.关于有机负荷F/M的说法错误的是( )

A、　氧化沟及A2/O+氧化沟工艺的宜保持在0.05~0.10kgBOD/(kgMLSS•d);

B、　A(缺氧)/O(好氧)生物脱氮工艺的宜保持在0.05~0.15kgBOD/(kgMLSS•d);

C、　A(厌氧)/O(好氧)生物除磷工艺的宜保持在0.1~0.4kgBOD/(kgMLSS•d);

D、　氧化沟及A2/O+氧化沟工艺的宜保持在0.1~0.10kgBOD/(kgMLSS•d)(MLVSS核算);