The correct option is C Meteorologist
Meteors are the celestial bodies that fall occasionally fall onto the Earth as 'Meteorites'. People who study the behavior of these meteors and predict their fall are called meteorologists.
Cosmologists are the people who study the birth and the nature of the cosmos, i.e. the Universe.
Geologists are the people who study the matter that constitutes the Earth and other planets.
Archaeologists are the people who study human history by digging up artifacts and ruins.