In the following question, a group of letters is given which are numbered 1, 2, 3, 4, 5 and 6. Below are given four alternatives containing combinations of these numbers. Select that combination of numbers so that letters arranged accordingly, form a meaningful word.
R T E O D P
1 2 3 4 5 6
Option:
A. 1, 3, 5, 6, 4, 2
B. 2, 3, 1, 6, 4, 5
C. 5, 3, 6, 4, 1, 2
D. 6, 3, 5, 1, 4, 2