Give the benefit of doubt

1. To be partial to someone
2. To be judgemental
3. Regard someone as innocent until proven otherwise
4. Say something exactly right

Answer

It means to regard someone as innocent until proven otherwise; the state of accepting something or someone as honest or deserving of trust even though there are doubts.

For example: Let's give her the benefit of the doubt and assume that she's right.

The correct option is C.