Most preschoolers can produce:

a. all the vowel sounds
b. all the sounds in their native language
c. all consonants
d. accurate productions of all sounds

5 answers

I'll be glad to check your answer.
I'm torn between b and c.
I'd go with b. I've heard tiny children miss some consonants -- kitty (without the t's) and similar words.
All consonants
All consonants