In the following item, passage consists of six sentences. The first and sixth sentence are given in the beginning as `S_1` and `S_6`. The middle four sentences in each have been jumbled up. These are labelled P, Q, R and S. You are required to find out the proper sequence of the four sentences and indicate your answer accordingly on the Answer Sheet.
`S_1` : The lions used to be widely distributed in Africa and Asia.
`S_6` : No hunting is permitted in such reserved areas.
P : There are special forest zones set aside for wildlife in various countries.
Q : Indiscriminate killing by hunters has been the cause of this drastic fall in their numbers.
R : Today they are a relatively rare species.
S : If the species survives at all, it will be only in national parks.
The proper sequence should be :

Options

A. RSQP
B. SQRP
C. RQSP
D. SRPQ