Linguists argue that Language X is historically related to Language Y, because the two languages share about 400 words that sound alike.

Which one of the following, if true, most strengthens the linguists' argument?

Answer and explanation

Correct answer: C. The shared words name basic things, which languages rarely borrow

  1. Step 1: Borrowed words are an alternative explanation. Step 2. Basic words are seldom borrowed, so shared ones suggest common descent. Answer: the shared words are basic. Why not the others: these do not rule out borrowing.

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