Which of the following symbols should be placed in the blank spaces respectively (in the same order from left to right) in order to complete the expression in such a manner than N > L and R < N hold definitely true? P < R ≤S = M ? N = K ? L

• A. <,≥
• B. ≤, >
• C. ≤, ≥
• D. <, >
• E. None of these