Question #1543

Can someone please explain?

Started by Eugene · started 2023-09-30 11:58 · last activity 2023-10-04 01:22 · 1 reply

I don't understand why C is the correct answer.

Replies

  1. Emil-Kunkin · 2023-10-04 01:22

    I would look around line 44 where the author calls the subject a tempting mystery for researchers. This seems to suggest to me that researchers either currently are or will soon be investigating this mystery.

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