Correct option C. R P Q S
Explanation:
The sentence starts with the word “after”, so the consequence of victory must be stated next, which is done in R. R must be followed by P as it states the reason why the boys came to school. P ends with the words “headmaster”, so Q, which mentions the pronoun “who” to refer to them, must follow next. S mentions another characteristic of the headmaster, hence it forms the last part. Thus the correct sequence after rearrangement is PRQS and option C is the correct answer.