When Using Syntactic Bootstrapping, a Child

When using syntactic bootstrapping, a child

A) uses a word's placement in a sentence to help determine its meaning.
B) generates a one-word utterance that has the meaning of a full sentence.
C) uses a grammar rule in an inappropriate manner (e.g., uses the "-ed" which means past tense on a word like "run" to create the word "runned") .
D) is able to immediately connect a word in one language to its counterpart in a second language.