In most one-year-olds,
a. language comprehension typically precedes language production.
b. language production typically precedes language comprehension.
c. language comprehension and language production occur simultaneously.
d. neither language comprehension nor language production is readily apparent.

Option (A) is correct.

Explanation:

Cognitive development in most infants and one-year olds tend to take place latter in their life but several component of this development tend to develop from this stage. One such factor is language, under which language comprehension typically precedes language production, i.e. infants and children that are one year old tend to first listen and hear the words and sound being spoken around and to them. Later they try to produce the same.

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