She doesn't care (not care) for him at all 这句中,选doesn't care 的原因

问题描述:

She doesn't care (not care) for him at all 这句中,选doesn't care 的原因

care 是动词,变否定前面要用助动词,do
这里是第三人称单数.
care for 是词组:关心
她一点儿也不关心他.