The answer is will because it is helping combine the sentence together.
A is an example of false cause and effect
There is no concrete fact that diet soda can cause definite cancer prevention.
1) I
2) Heavy rains or fast-melting snow CAUSE
3) Lightning bolts FLASH
Harassment, exploiting people, any form of physical contact (hitting, shoving, kicking, etc.), mean text, threats and talking about people behind their back is a contribution to bullying. To stop someone from bullying, the victim can tell an adult. Standing up for yourself is common, but usually the victim gets in trouble as well.
