The Amount of Synaptogenesis That Occurs at 7 Months of Age

The amount of synaptogenesis that occurs at 7 months of age appears to have a relationship to receptive language skills. Which of the following is accurate regarding this relationship?

A) The higher gray matter concentration at 7 months of age causes higher receptive language skills at 12 months of age.
B) The lower gray matter concentration at 7 months of age causes deficits in receptive language abilities at 14 months of age.
C) A gray matter concentration of 0.34 produces a mean T-score of 50 for receptive language abilities for 12 months of age.
D) The higher gray matter concentration at 7 months of age causes deficits in receptive language ability at 12 months of age.