The following passage is being prepared for publication.
Draft paragraph 1:
[1] A water-quality report summarizes measurements from several river sites. [2] The readings in the appendix beside the site descriptions ____.
Draft paragraph 2:
[3] The author links the decline to increased shade along the riverbank. [4] A later section considers whether seasonal weather also affected the readings.
Which choice preserves the intended meaning and correct agreement in sentence [2]? Preserve both the passage's meaning and its present-tense focus.