Correct option is A
Option (a) is the correct meaning of the given idiom.
Have a good run: To experience a period of success or enjoyment in some activity, but for a limited time.
Meaning in context: The phrase indicates success or joy that does not last indefinitely.
Example: The team had a good run in the tournament before they were knocked out.
Meanings of all options:
To experience joy or success...: Success or enjoyment for a short period.
To escape from prison: Refers to breaking out of jail.
A good amount of money: Refers to having a substantial amount of money.
A long journey: A trip or voyage over a long distance.