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Identify the correct order of filling up of electrons in the subshells-4p,5s,4d,5p

$\begin{array}{1 1}(A)\;4p,5s,4d,5p\\(B)\;4p,4d,5s,5p\\(C)\;5s,5p,4p,4d\\(D)\;4p,5p,5s,5p\end{array}$

$4p,5s,4d,5p$
Hence (A) is the correct answer.