Given the fact "sweat cools a body", what is the answer to the question or completion "If Paul is playing basketball and finds that his skin is becoming wet and smelly, it might be because"

Available options:
(i). His body is trying to lower its temperature.
(ii). His heart is pumping too fast.
(iii). His body is too cold.
(iv). The girls watching him play think he looks hot.
(i).