He said
P : here is the cat
Q : throughout the night
R : which had been paying havoc with things
S : that ate the rat

The Proper sequence should be:

A. PSQR

B. PSRQ

C. QPRS

D. QRPS

Answer: Option B

Solution(By Examveda Team)

He said here is the cat that ate the rat which had been paying havoc with things throughout the night.