Ordering of Words - Verbal and Reasoning

Q1:

I saw that
P : but seeing my host in this mood
Q : I deemed it proper to take leave
R : as I had frequently done before
S : it had been my intention to pass the night there
The Proper sequence should be:

A QPSR

B QRPS

C SPQR

D SRPQ

ANS:D - SRPQ

No answer description is available.