Steve and Karen Decide to Attend the Same Concert When

Steve and Karen decide to attend the same concert when each is given a free ticket to it.We know that

A) both bear the same opportunity cost because they are making the same choice.
B) both bear the same opportunity cost because the tickets have the same face value.
C) both bear an opportunity cost but the its value depends on what each person is giving up to attend the concert.
D) neither bears an opportunity cost since the tickets were given to them for free.