Oliver (4;6 Years) Is Monolingual and Speaks English

Multiple Choice

Oliver (4;6 years) is monolingual and speaks English. He has a moderate-severe phonological impairment. During an initial assessment he said the following

Oliver's attempts at producing consonant clusters reflect:

A) a sequence constraint.
B) an inventory constraint.
C) typical production of consonant clusters for his age.
D) a positional constraint for bilabials.