The core concept of this question is to identify the word that best fits the meaning of excluding. 'Detach' means to separate from something, but it doesn't specifically imply exclusion. 'Exclusionary' directly refers to the act of excluding, making it the correct answer. 'Consistent' means in agreement or harmony, which is unrelated to exclusion. 'Coincident' refers to events happening at the same time, which is also unrelated to the concept of exclusion. Therefore, the correct answer is B. Exclusionary.