More than half of Turkey’s population lives along the country’s coastal plains because

Aits major cities are located there.
Bits electric power plants are there.
Cthe sources of fresh water are there.
Dthe climate is milder and wetter there.

Verified Answer :

A. its major cities are located there. 

More than half of Turkey’s population lives along the country’s coastal plains because  its major cities are located there. 
NOT:
B. its electric power plants are there. 
C. the sources of fresh water are there. 
D. the climate is milder and wetter there.

The answer is A. its major cities are located there.