Answer:
Here the correct option is (d) identified a problem or frustration; identified an opportunity or need.
Step-by-step explanation:
Identified a problem or frustration; identified an opportunity or need. Airbnb began when Gebbia and Chesky identified a drag or frustration; the corporate grew because it identified a chance or need. that they had a drag of not having enough money to pay the rent, and that they identified a chance or need in letting strangers live there which they will afford, unlike an upscale bedroom.