Kubilai Khan's Attempts to Invade Japan Led to Which of the Following

Kubilai Khan's attempts to invade Japan led to which of the following?

A) a swift Mongol victory and the incorporation of Japan into the Mongol empire
B) the adoption of Mongol customs by the Japanese elite
C) a Mongol defeat that resulted in the loss of much of Kubilai Khan's holdings in East Asia
D) a Japanese victory over Mongol forces at the expense of long-term Japanese political stability