According to para.12, what is the relationship between patterns and individuals' development in language acquisition?
A.
Patterns can be identified and confirmed by a large majority of individual child's development of language acquisition.
B.
Figures and numbers that form patterns might vary once studies are repeated.
C.
Patterns extracted by the linguists are always contradictary to the real life cases of child's L1 acquisition.
D.
It is possible that we can agree upon the common patterns of child's language acquisitions but at the same time we cannot find one child who fits perfectly the stages reported in the literature.