MAGOOSH Official Explanation:
Answer: (A)
The conclusion: do not include the name of colors when speaking to infants less than 18-months old, because doing so doesn’t benefit them in any way. The correct answer must show that including a color word in a sentence offers an advantage. (A) clearly does so, by stating that the baby benefits from hearing sentences with several words, especially if those words are different parts of speech, i.e., adjective, verb, noun.
(B) shows an advantage, but
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