In this question consists of a sentence the parts of which have been jumbled. These parts have been labelled P, Q, R and S. Given below each sentence are four sequences namely (a), (b), (c) and (d). You are required to rearrange the jumbled parts of the sentence and mark your response on the Answer Sheet accordingly.

The knocking
P. were still in the house
Q. for some time
R. although the echoes of it
S. ceased
The correct sequence should be

Options