S₁: A small pool in the rocks outside my cottage in the Mussoorie hills provides me endless delight.
P: I stood very still, anxious that it should drink its fill.
Q: And once I saw a barking deer, head lowered at the edge of the pool.
R: Water beetles paddle the surface, while tiny fish lurk in the shallows.
S: Sometimes a spotted fork tail bird comes to drink, hopping delicately from rock to rock.
S₆: It did and then, looking up, saw me and leapt across the ravine to disappear into the forest.

The Proper sequence should be:

A. PRSQ

B. PSQR

C. RSQP

D. SQPR

Answer: Option C

Solution(By Examveda Team)

Water beetles paddle the surface, while tiny fish lurk in the shallows. Sometimes a spotted fork tail bird comes to drink, hopping delicately from rock to rock. And once I saw a barking deer, head lowered at the edge of the pool. I stood very still, anxious that it should drink its fill.