By the age of six, the average child ____.
A) has a vocabulary of around 1,000 words, but not a good sense of grammar rules
B) is in the midst of using holophrases and telegraphic speech as his or her primary form of language
C) has a vocabulary of around 10,000 words and a fairly competent mastery of grammar
D) has just recently stopped using underextensions and overextensions in his or her language

Question

Quizplus · Accepted Answer

By the age of six, the average child has developed a vocabulary of approximately 10,000 words and has a fairly competent grasp of grammar rules. This significant language development milestone reflects the rapid acquisition of language skills in early childhood.

By the Age of Six, the Average Child ____