what is the difference between "was not asked " and "had not been asked "

问题描述:

what is the difference between "was not asked " and "had not been asked "
their son was not asked any questions by the school's interviewer.
their son had not been asked any questions the school's interviewer.
what is the difference between "was not asked " and "had not been asked "

The difference lies in the Times(时态).When I use "was not asked" in the sentence witten above,i mean,the school's interviewer did not ask their son in that moment.However when "had not been asked" wa...