Ehrenreich discovered that affordable rental housing was shrinking because
A. most renters fail to pay rent on a regular basis, forcing renters to increase prices
B. in a strong economy, rental prices increase
C. construction companies could not keep up with the demand for new apartment complexes
D. the economy was weak, which prompts people to buy homes instead of rent
E. local laws dramatically increased the tax on rental income, which caused rental rates to
increase