It should be mentioned that the King in his childhood was taught to follow the "sufficient way of life" by the Princess Mother who was a model of not only kindheartedness but also of her principles to live in accordance with the "sufficient way of life".
Question:
From the above passage the writer wants us to learn ______.
Select one or more:
a. how the king has developed the philosophy
b. that the king loves his mother so much
c. that the king lived with his mother when he was young
d. how kind the king's mother was