The boy
P : with big blue eyes
Q : watched him,
R : and he never said a word
S : that had an uncanny cold fire in them

The Proper sequence should be:

A. PQRS

B. PQSR

C. QPSR

D. QRPS

Answer: Option C

Solution(By Examveda Team)

The boy watched him, with big blue eyes that had an uncanny cold fire in them and he never said a word.