Solution:
Considering the first letters of each term.
There are 2 alphabets in between D and G(E and F).
There are 3 alphabets between G and K(H,I and J).
There are 4 alphabets between K and P(L,M,N, and O)
Hence, there will be 5 alphabets between P and the required letter. Thus, the required letter will be V(Q,R,S,T and U)
Considering the second letter of each term.
There are three alphabets between each of the second terms, I and M(J,K,L),M and Q(N,O,P), and Q and U(R,S,T).
Hence, there will be three terms between the required term and U, i.e., V,W,X. Thus, the required second term is Y.
Hence, the answer is option A.
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