9.She was the only child in the family,but they didn't __ her.A.hurt B.damage C.spoil D.harm

9.She was the only child in the family,but they didn't __ her.A.hurt B.damage C.spoil D.harm
She was the only child in the family,but they didn't __ her.A.hurt B.damage C.spoil D.harm
参考书上写地 B,为什么是B?我觉得C对啊.