Question #1907

Please explain

Started by mayatassi · started 2022-09-01 14:51 · last activity 2022-09-02 16:47 · 1 reply

Can you please explain why D and not B is the correct answer? Thanks.

Replies

  1. Emil-Kunkin · 2022-09-02 16:47

    Hi Mayatassi, While we do know that NGF was the first factor found, we do not know that others are not better understood. We do not have any support for that in the passage. D is correct partly because of the opening paragraph, which does imply that NGF is not the only factor, and that the factors perform "some specialized functions."

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