Suppose That the Country of Libraria Made a Concerted Effort

Suppose that the country of Libraria made a concerted effort to increase the educational level of its people. If this effort had no effect on the wages of its workers, one might consider this as evidence in support of

A) only the human-capital view of education.
B) only the signaling view of education.
C) both the human-capital and the signaling views of education.
D) neither the human-capital nor the signaling view of education.