She was so sad because she failed in the math test. Let’s ______her _______.

A．leave … behind

B．leave … alone

C．leave … aside

D．leave … out

饲料企业对《饲料和饲料添加剂管理条例》所称的饲料添加剂可以作具有预防或者治疗动物疾病作用的说明或者宣传，但对饲料不可以。这句话对吗？