Which of the Following Is Not an Example of a Constraint

Multiple Choice

Which of the following is not an example of a constraint on language learning?

A) Children tend to think that a novel word refers to a whole object,not to just part of an object.
B) Children treat new words as labels for unfamiliar objects rather than assigning the new word to an object for which they already know the word.
C) Children ignore novel words unless an object is pointed to directly and at the same moment the new word is introduced.
D) Children do not treat novel words as synonyms for words they already know.