C. tl
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kr, np, qn, ___,wj
look at first letters of each set.....from k to n, u have 3 spaces, from n to q, u have 3 spaces.....so 3 spaces from q is t.....so t is the first letter in ur answer.
look at second letter of each set....from r to p, there are 2 spaces, from p to n, there are 2 spaces....so 2 spaces from n is l