Out of all the given choices, the choice 7 is the closest to the number of islands in Hawaii. Although Hawaii has more than 100 islands, only 8 are considered as its main islands with only 7 being inhabited by people. These 8 islands are as follows: The Big Island of Hawaii which is the largest among all the main islands in Hawaii.
Maui which is the second largest main island of Hawaii, Oahu which is the third largest main island of Hawaii in terms of land size, Kauai which is the fourth largest main island of Hawaii in terms of land size, Molokai which is the fifth main island of Hawaii, Lanai which is the sixth main island of Hawaii, Niihau which is the seventh main island of Hawaii and Kahoolawe which is the smallest of all the main islands of Hawaii and is uninhabited by people.