Answer:
C. Impact
Step-by-step explanation:
Impact means a marked effect or influence on someone or something.
It can be referred to as a physical force (like a collision between something and someone), an influence (Example a bad role model), or a strong effect (for instance a foot of snow will cause a change on driving conditions).
A good teacher might have an huge and good impact (influence) on a struggling student.
From the question What Janet did is a classical scenario of making an impact. The mentoring program she initiated will make a huge impact on the students because it supposed to help improve their grades and hence increase their chances of graduating.