Explanation:

Let’s break down the information step by step:

- H is at the extreme right end.

- G is between F and H ? … F G H

- E is between D and F ? … D E F G H

- Neither C nor D is at the ends.

- C and A are immediate neighbors of B.

Let’s build the row from right:

1. _ _ _ _ _ D E F G H

2. Now, C and A are neighbors of B. They fill the left four spots, so, possible: C B A D E F G H or A B C D E F G H.

Check statements:

- I. D is fourth to the left of H

? In the row: D(5th), H(8th). Yes, D is fourth to the left of H.

- II. D is the immediate neighbor of B

? D and B are not immediate neighbors in either arrangement.

- Option 1: Only I

- Option 2: Both I and II

- Option 3: Only II

- Option 4: Neither I nor II

Correct Answer:

Option 1: Only I