`S_(1)` : Undoubtedly science has done wonders.
`S_(6)` : Thus, science , which was once considered a destructive power only in war, must be recognized as one also in its apparently constructive activities during peace.
P : But in giving such an answer out attention must not be taken up entirely by the danger from nuclear weapons and chemical warfare.
Q : The honest answer has to be , "Not always " .
R : But has it stopped with wonders which are beneficial to mankind ?
S : There is far greater real danger from the damage to the environmental arising from the so-called peaceful uses of science.
The proper sequence should be

Options

A. RQPS
B. SPQR
C. SRPQ
D. PQRS