One Efficiency- Based Argument Against Government Subsidies for Post- Secondary

One efficiency- based argument against government subsidies for post- secondary education is that

A) relative to the federal contribution, the provincial contribution to higher education is too high.
B) few positive externalities are involved in the consumption of education.
C) they would encourage people not to seek employment.
D) most benefits from education accrue to society as a whole.
E) the subsidy is essentially a transfer from lower- income, non- university- trained taxpayers to potentially higher- income- earning university students.