Which One of the Following Does NOT Represent Market Circumstances

Which one of the following does NOT represent market circumstances that make a focused low-cost or focused differentiation strategy attractive?

A) when the target market niche is big enough to be profitable and offers good growth potential
B) when the industry has many different segments and market niches, thereby allowing a focuser to pick an attractive niche suited to its resource strengths and capabilities
C) when it is costly or difficult for multisegment competitors to meet the specialized needs of the target market niche and at the same time satisfy the expectations of their mainstream customers
D) when industry leaders have chosen not to compete in the niche
E) when buyers are not strongly brand loyal and a large number of other rivals are attempting to specialize in the same target segment