What happens next in this paragraph?

How to address a postcard
Look for signs of where to put an address.
The address is normally placed on the right hand side of a postcard and midway down the card. There is usually a printed vertical line denoting the left and the right of the postcard.
Possible answers: (A). If not, imagine a line in the centre of the postcard, choose the right hand side to insert the address. Many postcards include pre-printed horizontal address lines to show you where to add the address.; (B). For instance, if someone says " hi! " or " you came! " it will be printed on the right side of the card. If you know the recipient's address, it may get to the postcard early in the mail, so you can place this information on either hand.; (C). There are options for a postcard that have a headline that clearly states its mailing address. The headline does not necessarily say " postcard " in that case; put the liner " card " up front, while placing an address on the edge right side of the postcard could be something like: " postcard.; (D). A slip of paper, like a postcard, is usually printed alongside the address in the upper right hand corner of the postcard. If your postcard's denominations are almost identical, you may still see an address in the upper right hand corner of the postcard.;
(A).