For a customer, if calling a carrier’s customer-service number right now is not effortless, it is often ______.

A. Prepare enough money for the whole year.
B. Find more than one part-time job.
C. Never go to the hospital.
D. Use public transportations.

A. The airliners’ reaction.
B. The bad weather.
C. The cancellation of flights.
D. The terrible phone signals.