1 : If the parachutes had failed to open
P : the whole of his couch would
Q : he could have pulled a liver to provide an emergency ejection
R : and special parachutes would have unfolded
S : then have been fired from the cabin
6 : to bring him down.
The Proper sequence should be:
A. PSRQ
B. QPSR
C. RSQP
D. SQPR
Answer: Option B

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