When addressing a counterclaim in an argumentative essay, it is important to
a. consider how the counterclaim reinforces then main position of your argument
b. include details and statistics that support the counterclaim
c. show reader why the counterclaim is as valid as your argument
d. explain the pitfalls of the counterclaim in comparison to your argument

When addressing a counterclaim in an argumentative essay, it is important to A. consider how the counterclaim reinforces the main position of your argument.
You need to take your opponent's counterclaim into consideration and turn it to your advantage - if you can manage to take their arguments and present them so as to reinforce your own, then you are surely going to win.

He should put sand around the spill in order to contain it so that it won't spread