Correct option is C
The correct order is
(c) CBAD.
C: The importance of education in forming character and opinion is very great and well recognised by all.
Explanation: Introduces the general topic of education's role.
B: Something of them remains deeply implanted, ready to emerge in a time of stress or crisis.
Explanation: "Them" refers to the character and opinions formed by education.
A: The genuine beliefs, though not unconsciously acquired by most children; and even if they depart from these beliefs in later life
Explanation: Expands on how beliefs are ingrained during childhood education.
D: Education is, as a rule, the strongest force on the side of what exists and against fundamental change.
Explanation: Concludes by highlighting education's role in maintaining the status quo.