While out with friends one evening while on a GAP year in Australia, Ian and his friends decided to satisfy their late$-$night hunger with a trip to Hungry Jack's. Ian was sure he was in a Burger King back home as not only did the restaurant have the same menu, but it even had the paper crowns you could get to place on your heads. Ian was right $-$ it was a Burger King $-$ just a ot Answered $-$ent name as the name "Burger King" was already in use when the restaurant was brought "down$-$under.". What is this an example of$?$

a$.$ brand name adaptation

b$.$ global marketing problems

c$.$ one brand name everywhere

d$.$ different brand names in different markets