The answer is (D).
This is a question in which using the answers to eliminate is called for, since it is not quite clear just from reading what we are looking for.
a) The number of billboards leased by providers of services is increasing, while the number of billboards leased by products is decreasing.irrelevant - we care about the total amount of customers for ads, not their makeup
b) Most costs of production and distribution of services typically advertised on billboards are expected to rise
...
This is a question in which using the answers to eliminate is called for, since it is not quite clear just from reading what we are looking for.
a) The number of billboards leased by providers of services is increasing, while the number of billboards leased by products is decreasing.irrelevant - we care about the total amount of customers for ads, not their makeup
b) Most costs of production and distribution of services typically advertised on billboards are expected to rise
...






