Oliver (4;6 years) is monolingual and speaks English. During an initial assessment he said the following: blue /blu/ as [bwu] spoon /spun/ as [fun] tree /ti/ as [fwi] play /ple/ as [pwe] clean /klin/ as [kin] glue /lu/ as [u] sleep /slip/ as [sip] twin /twn/ as [tn] queen /kwin/ as [kin] Oliver's attempts at producing consonant clusters reflect: Question 31Select one: a. an inventory constraint. b. a positional constraint for bilabials. c. a sequence constraint. d. typical production of consonant clusters for his age