Which of the following words is a synonym of ‘modify’ given in the passage?

The correct option is alter.

Explanation:

To find the correct synonym, let us examine the meaning of the word 'modify' along with the given options:

1. Modify: To make partial or minor changes to something, typically to improve it or make it suitable for a particular purpose; to change or alter.

2. Alter: To make structural or minor changes to something, or to become different. Since 'alter' also means to change or adjust, it is a direct synonym of 'modify'.

3. Expand: To become or make larger or more extensive (not a synonym of modify).

4. Fix: To repair or make firm/stable (not a synonym of modify).

5. Widen: To make or become wider in range or breadth (not a synonym of modify).

Therefore, among the given options, 'alter' is the word that means the same as 'modify'.