The correct option is C IV
Clearly, the given arrangement is as under:
In the first step, the first three and last three letters are written in a reverse order. In the next step, the first four and last three letters are written in a reverse order. The process is repeated to obtain successive output steps. We may draw up a rearrangement draft as per the above pattern:
Batch I (9 am to 10 am): A B C D E F G
Batch II (10 am to 11 am): C B A D G F E
Batch III (11 am to 12 noon): D A B C E F G
Batch IV (12 noon to 1 pm): B A D C G F E
Batch V (1 pm to 2 pm): C D A B E F G
Batch VI (2 pm to 3 pm): A D C B G F E
Now, we shall label the given password as per the above draft and accordingly find the desired password.
Batch I : rate go long top we let have
A B C D E F G
Given password : go rate top long have let we
B A D C G F E
Clearly, the given pattern resembles the Batch IV in the draft.
Hence, option (C) is the correct answer.