In the following items, each passage consists of six sentences. The first sentence `(S_(1))` and the final sentence `(S_(6))` are given in the beginning. The middle four sentences in each have been removed and jumbled up. These are labelled P, Q, and S. You are required to find out the proper sequence of the four sentences and mark accordingly on the Answer Sheet
`S_(1)` : The advancement of science is not a secret or a mysterious process.
`S_(6)` : What is he to think but to marvel at the skill of science, and to fear its power ?
P : No one tells the layman about the years of experiment and failure.
Q : If it sometimes seems so, that is just because the day-to-day work of science is so unspectacular.
R : How is he to know what has not been done, or to guess the labour of what has ?
S : You hear nothing from the research worker for years, and then, suddenly, there is the result in the headlines, penicillin or the jet engine or nuclear fusion.
The proper sequence should be :

Options

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