Explanation:

- Hit the ceiling: This idiom is often used to describe someone suddenly expressing their anger in a dramatic way.

- Option 1 - Explode in anger: This is the correct interpretation of the idiom "hit the ceiling." It signifies losing one's temper and becoming very angry.

- Option 2 - Reach the top: This would imply achieving the highest point or reaching a peak, which doesn't align with the idiom.

- Option 3 - Make good progress: This suggests improvement or advancement, unrelated to the emotional outburst implied by the idiom.

- Option 4 - Have high hopes: This involves optimism or looking forward to the future, which does not fit the idiom's meaning.