Answer:
A) the largest pair of magnets
Step-by-step explanation:
In case you don't know, magnets are structures that have a magnetic field around them and that magnetic field allows them to attract some metallic structures. The larger the magnet, the greater the magnetic field around it and consequently its power of attraction becomes more powerful, managing to attract in increasingly greater distances.
For this reason, we can conclude that in relation to the question above, the largest pair of magnets will be able to attract each other over a greater distance.