Correct option is D
Option (d) is the correct meaning of the given idiom.
For old time’s sake: Done out of affection or sentiment for the past or a long-standing relationship. (पुरानी यादों या संबंधों के कारण कोई काम करना)
Example: I invited him to the reunion just for old time’s sake.
Other related idioms and meanings:
·
Walk down memory lane – To remember past events fondly.
·
Reminisce – To think or talk about past experiences.