In the following item, there is a sentence of which some parts have been jumbled up. You are required to rearrange these parts which are labeled P, Q, R and S, to produce the correct sentence. Choose the correct sequence and mark in your answer sheet accordingly The long gruelling hours (P) had finally paid off / (Q) on drawing after drawing, /(R ) working tirelessly / (S) painting after painting
The correct sequence should be

Options

A. P R Q S
B. R Q S P
C. Q S R P
D. R P Q S