Question

Since the​ 1960s, public spending on education has​ _________, while student performance has​ ______________.
a. ​decreased, decreased
b. ​decreased, remained constant or increased
c. ​increased, remained constant or declined
d. ​decreased, remained constant or increased
e. ​increased, increased

Answer 1

If you are in the US, the answer is c.  b and d are the same.