In each of the items there is a sentence of which some parts have been jumbled up. You are required to rearrange these parts which are labelled P, Q, R and S, to produce the correct sentence. Choose the correct sequence
She complained that (P) that it took a month (Q) to clean it (R) the house (S) was so dirty

Options

A. PQRS
B. SPQR
C. PSQR
D. RSPQ