Here are several ways to rephrase "What country is this fruit from?":
More common/natural:
Where is this fruit from?
Where does this fruit come from?
What's the origin of this fruit?
Which country grows this fruit?
Slightly more formal/specific:
Where does this fruit originate?
From which country does this fruit hail?
What is the country of origin for this fruit?
More casual/conversational:
Where do they grow this? (referring to the fruit)
Is this fruit local, or does it come from somewhere else?
