Multi-select problem: How does the next paragraph end?

How to play angry birds
Download the game to your phone, ipod, tablet or computer.
There are both free and paid versions of angry birds, plus an occasional seasonal special. Try the free version first; that way you can determine whether you even enjoy the game or not (it's very likely that you will).

Available choices:
[A]. Understand what you're trying to do. The goal in each level is to get rid of the pigs.;
[B]. If you choose a paid version, follow the device's instructions. Otherwise, there is no point in playing with it over and over again.;
[C]. Read reviews for different game types to further determine if the game makes you happy or bored. Connect your phone to your computer and go for a walk.;
[D]. Make sure you have an active phone. As a player, you will need to carry around smartphones with you at all times.;
[A].