Directions: Each of the following items in this section consists of a sentence, parts of which have been jumbled. These parts have been labeled as P, Q, R and S.Given below each sentence are four sequences, namely (a),(b),(c), and (d). You are required to re-arrange the jumbled parts of the sentence and mark your response accordingly.

  for testing doubled in the last two     weeks of June, spurred partly by      the number of samples collected

                   S                                                                    Q                                        R

   the start of antigen testing in the district

                       P