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: The future beckons to us.
P : In fact we have hard work ahead.
Q : Where do we go and what shall be our endeavour?
R : We shall also have to fight and end poverty, ignorance and disease.
S : It will be to bring freedom and oppurtunity to the common man.
S6: There is no resting for any one of us till we redeem our pledge in full.
The Proper sequence should be:

A PSRQ

B QPSR

C QSRP

D SRPQ

ANS:C - QSRP

No answer description is available.