Correct option is D
Option (d) is the correct meaning of the given idiom.
Given Idiom: Creature of habit means a person who follows a routine and prefers doing things in the same way repeatedly.
Example: John wakes up at 6 a.m. every day because he is a creature of habit.
Other related idioms and their meanings:
· "Old habits die hard" – Habits are difficult to change.
· "Set in one’s ways" – Unwilling to change routines or habits.