The correct answer to this open question is the following.
Although there are no options attached, we can say the following.
Sandra's approach to defining justice that is described by this statement is the need approach.
This is so because Sandra believes that a just society is one in which all members can be confident that their basic needs will be met. This means that society functions with the capacity to grant people what they need, where everybody has what they need to live and conditions are similar for everyone to get a fair and decent living opportunity. The other two approaches to justice are equity and equality.