It can be inferred that the high rate of dropouts lies in_________A． the too low salary for PhDB． the too rigid academic requirementC． the too high salary for dropoutsD． 1000 positions
It can be inferred that the high rate of dropouts lies in_________
A． the too low salary for PhD
B． the too rigid academic requirement
C． the too high salary for dropouts
D． 1000 positions
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