In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is correct.
1. The teacher asked the boys to be quiet. P. The boys opened their books. Q. Suddenly there was some noise outside. R. Then he asked them to open their books. S. The teacher looked outside. 6. A dog had entered in the school premises.

Options

A. 1.QSRP
B. 2.PRSQ
C. 3.RPQS
D. 4.SQRP