Population i stars are found in what area of the milky way?

Population I stars are consisting of younger stars, clusters and associations that formed aroung 1,000,000 to 100,000,000 years ago, which such stars classified as type O and B are called extreme Population I stars. The members of this population occur near and in the arms of our own galaxy, the Milky Way. 

Answermisinterpret;

The answer would be d. hope this .