Explanation:

Let’s crack the code together. Here’s what’s going on:

- Look at ‘FLUTE’ ? ‘VGFOU’

F?V, L?G, U?F, T?O, E?U

- And ‘EXILE’ ? ‘VORCV’

E?V, X?O, I?R, L?C, E?V

Here’s the pattern:

- Each letter is replaced by a counterpart at the same “reversed” position in the alphabet (A?Z, B?Y, C?X, etc).

Mapping for ‘BLOOD’:

- B ? Y

- L ? O

- O ? L

- O ? L

- D ? W

Reverse the order (since in the code, the position order is reversed): Now put them together as per coded word sequence:

- First: W (from D)

- Second: L (from O)

- Third: L (from O)

- Fourth: O (from L)

- Fifth: Y (from B)

So, ‘BLOOD’ is written as WLLOY.

Let’s tally that with the options:

1. WLLDB – nope

2. WLLOY – this matches!

3. WLOYD – no

4. WLLOB – nope

What this means:

- The rule is each letter is mapped to its alphabetical reverse, and the letters are reordered to match the original position’s reverse order.

- Only option 2 fits.

So there you go: WLLOY is the coded word for ‘BLOOD’.