Infants enter the true linguistic stage at about of age with the understanding that
a. 12 months; mama means mommy
b. 18 months; dada means daddy
c. 18 months; consonants and vowels produce words
d. 12 months; sounds are related to meaning

The correct answer is D. 12 months; sounds are related to meaning.

Explanation:

The linguistic stage is a stage of language development that goes after the pre-linguistic language development in which the infants are able to produce vegetative sounds, cooing and laughter and vocal play but have no real understanding of the meaning of the sounds they are producing, this stage ends when the infant begin to understand the relation between communication and the sounds he or she is making, and this is when the Linguistic stage enters, usually at 12 months or so.

answer; i do believe that its(gestation,suction-aspiration or vacuum aspiration;

answer; latency;