Which one of the following statements best reflects the issue with Senkaku Islands, sometimes mentioned in the news

(a)

It is generally believed that they are artificial islands made by a country around South China Sea.

(b)

China and Japan engage in maritime disputes over these islands in East China Sea. –

(c)

A permanent American military base has been set up there to help Taiwan to increase its defence capabilities.

(d)

Though International Court of Justice declared them as no man’s land, some South-East Asian countries claim them.