Answer:
4. They are contaminated and dangerous to the public.
Step-by-step explanation:
Lets go through each answer in order to knock out the incorrect ones.
1 - No, recalled food would not be repackaged. What would be the purpose of this, as most likely food that is recalled is thrown away in order to less liken its' circulation.
2 - While this may be a good reason, it is likely that they will recalled for misbranding or that it contains hypoallergenic ingredients rather than just faulty expiration dates.
3 - They will often go through a process of just stopping production of that particular product or decrease its' production, rather than targeted recalling.
4 - Often times food is recalled because it contains dangerous chemicals or diseases, or is misbranded and contains ingredients that can be harmful or deadly to some people. For example, if a nut mix is recalled most likely it might contain nuts not listed on its' nutrition label or has been contaminated by harmful chemicals or diseases.
Hope this helps!