In Which of the Following Instances Is Being a First-Mover

In which of the following instances is being a first-mover not particularly advantageous?

A) When moving first with a preemptive strike makes imitation difficult or unlikely
B) When first-time buyers remain strongly loyal to pioneering firms in making repeat purchases
C) When early commitments to new technologies, types of components, or emerging distribution channels produce an absolute cost advantage over rivals
D) When markets are slow to accept the innovative product offering of a first-mover and fast followers possess sufficient resources and marketing muscle to overtake a first mover
E) When being a pioneer helps build a firm's image with buyers