You Can Either Take the Bus or a Taxi to Your

Multiple Choice

You can either take the bus or a taxi to your friend's house, and you decide on the bus. After waiting at the bus stop for fifteen minutes, a taxi passes by, but you continue to wait for the bus, having waited so long already. Your decision is influenced by the

A) sunk cost effect.
B) availability heuristic.
C) confirmation bias.
D) demand characteristic.