Some letters are missing from the series. From the given alternatives choose the best option which follow the pattern of the series:
P_r__rs_r_pq
A.qsqps
B.spqsp
C.qpsqp✓ Correct
D.sqpsq
Explanation
Analyzing the full pattern by filling in the blanks systematically with the repeating unit of p, q, r, s reveals that option (b) qpsqp correctly completes the series pattern.
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