This could be a challenging question, but we have to look for clues that connect the sentences. This will help us create a new sequence and find the odd one out. 5 says "more specifically, the feminist enquiry...". thus there must a reference to "more specifically" because this phrase is used to bring in clarity to something. We must try to find a reference to this. The reference can be found in 1, which says "for feminists, the question of ...′′ (the question of =enquiry). Thus 15 form a pair. 5 has "...the feminist enquiry begins with the realization...and 4 further adds to it by saying "the documentation of this realization...was one of the earliest tasks undertaken by feminist critics..." 2 concludes by stating that "Elaine's critique of the literary curriculum is exemplary of this work". 2 serves as an example of 4.3 is the odd one out.