Correct option is A
The correct sequence is D, C, B, A.
Explanation:
1. D: The paragraph begins by introducing the idea that it is easy to acquire bad habits like overeating or consuming too many sweets.
2. C: Expands on the idea that repetition of an action increases our liking for it, explaining how habits are formed.
3. B: Further elaborates that once a habit is established, we feel unhappy if we do not continue it.
4. A: Concludes by stating that this principle applies even to positive activities such as work or rest.