Oxford University would be excluded out of those universities that receive PhD grants from ESRC, because the completion rate of its PhD students' theses within four years is lower than ______.

A．most of them died of some sickness
B．their holidays and evenings have been ruined by their jobs
C．most of them are completely tired of the narrowly defined subject
D．most of their grants run out

A．informs job hunters of the opportunities available
B．promises useful advice to those looking for employment
C．divides available jobs into various types
D．informs employers that people are available for work