Single-pair vs. Multiple-pair Answers: Wh in-situ and Scope

this paper does not rest on the availability of single-pair answers in simple questions but on the fact that multiple-pair answers readily available in simple questions seem to be unavailable in contexts like (3a). As Pope points out, REF-Qs are intonationally distinct from echo questions. REF-Qs have a fall at the end while the rise is maintained in echo questions. 4 199