Given here are four sentences. The first sentence is in correct order while the rest of the sentences are jumbled. Pick the option that gives their correct order.
A. Basking in the sun for some time regularly is recommended for improving one’s physical condition.
B. One should, however, exercise caution while exposing oneself to the sun.
C. To be more specific, it builds up resistance to infections and tones up the whole system.
D. This is because too much exposure to the sun may prove harmful to health.

Correct option is D

Let’s organize the sentences in a logical and coherent flow based on context and connections.
Step-by-step Logical Sequence:
1. A (Given — starting sentence):
· Introduces the main idea: sunbathing is beneficial to health.
2. C (Elaboration):
· Expands on why it's beneficial: boosts immunity and tones the system.
· This logically follows A as a specific benefit of the activity mentioned.
3. B (Warning):
· After stating the benefits, it gives a cautionary note: be careful while sunbathing.
· Introduced with “however,” showing a contrast with previous benefits.
4. D (Reason for warning):
· Explains why caution is necessary: excessive exposure can be harmful.
· “This is because…” clearly refers back to B.
✔️ Correct Order:
A → C → B → D
→ Introduce benefit → Explain benefit → Give warning → Justify warning