Although several health conditions can cause hyponatremia, this dangerous condition most often occurs in endurance athletes (8) who sweat out fluids and salts during marathon events and then replace the lost fluids with too much water.

Question

Select one answer
A NO CHANGE
B who sweat out fluids, and salts during marathon events
C that sweat out fluids and salts during marathon events
D that sweat out fluids, and salts during marathon events

Answer 1

The best answer here is:

C that sweat out fluids and salts during marathon events

This option maintains correct grammatical structure and clarity without unnecessary punctuation changes.