Under Which Condition Would a Differentiation Strategy Be Especially Effective

Under which condition would a differentiation strategy be especially effective?

A) When the target market niche is large, profitable and growing.
B) When technological change is fast paced and competition revolves around rapidly evolving product features.
C) When industry leaders do not consider the niche to be crucial to their own success.
D) When the industry has many different niches and segments, thereby allowing a company to pick a competitively attractive niche suited to its own resources.
E) When few, if any, other rivals are attempting to specialize in the same target segment.