The correct options are
A Kuroshio current
B Kamchatka current
C Oyashio current
D California current
Gyres are also known as ocean circles. There are two main gyres in the Pacific Ocean - the Northern Pacific Gyre and the Southern Pacific Gyre. The Kuroshio current, the Kamchatka current, the Oyashio current, and the California current are the currents whose rotation causes the Northern Pacific Gyre.