Ordering of Sentences - Verbal and Reasoning

Directions to SolveIn questions below, each passage consist of six sentences. The first and sixth sentence are given in the begining. The middle four sentences in each have been removed and jumbled up. These are labelled as P, Q, R and S. Find out the proper order for the four sentences.
Q1:

S1: Once upon a time an ant lived on the bank of river.
P : The dove saw the ant struggling in water in a helpless condition.
Q : All its efforts to come up is failed.
R : One day it suddenly slipped in to water.
S : A dove lived in the tree on the bank not far from the spot.
S6: She was touched.
The Proper sequence should be:

A RQSP

B QRPS

C SRPQ

D PQRS

ANS:A - RQSP

No answer description is available.