Which choice completes the text so that it conforms to the convention…

Source Texts

Text

On February 1, 2018, a Florida-based research team-Martha A. Scholl, Maoya Bassiouni, and Angel J. Torres-Sánchez-compiled climate data from several sites in Puerto Rico's Luquillo Mountains. At

3 : 00 p . m .

, the air temperature was

17. 9^{\circ} C

at site CC1, the site with the highest it had shifted to

16. 2^{\circ} C

8 : 30 p . m .

Which choice completes the text so that it conforms to the conventions of Standard English?

[Missing]

elevation, and

elevation and

elevation,

elevation; and