Answer:
d. causes inflation expectations to rise, which in turn causes still higher inflation
Step-by-step explanation:
Missing word "Higher inflation: a. makes most goods and service unaffordable, causing a decrease in demand that leads to falling prices, b. creates a price bubble that ultimately bursts, causing the prices of most goods and services to fall, c. causes inflation expectations to fall, which in turn causes inflation to fall d. causes inflation expectations to rise, which in turn causes still higher inflation"
This inflation experience will most likely will continue increase using the experience as yardstick and this will be a case of hyper inflation where the inflation rates are so high that is goes out control in economic perspective. In hyper-inflation situation, prices of goods and services may increase and continue to do in hourly basis.