Study the given pattern carefully and select the letter that can replace the question mark (?) in it.

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Logic : The sum of upper semi circle alphabets is equal to the sum of  lower semi circle alphabets:

Lower Alphabets: E (5) + H (8) + L (12) + Q (17) = 42

Similarly;

​Upper Alphabets: C (3) + L (12) + D (4) +? = 42

? = 42 - C (3) + L (12) + D (4) = 42 - 19 = 23 (W)

Thus, the correct answer is option (a) W.