Japan's largest and main island, containing the japanese capital and almost all of its core area is:
a. kyushu
b. honshu
c. shikoku
d. hokkaido e. sakhalin

The capital of Japan is Tokyo, it's a big city with 13 million people and almost 40 million people in its surroundings.

Tokyo is located on the island of Honshu- so this is enough to know that the correct answer is b).

Honshu is in fact the biggest Japanese island and it includes the holy Mount Fuji.

The correct answer is kettles.

None   they are   equally likely to occur on any plate boundary