题目内容：
根据内容回答题。Hospital Mistreatment
According to a study, most medical interns report experiencing mistreatment, including hu- miliation by senior doctors, _______( 51 ) threatened, or physical abuse in their first year out of medical school.
The findings come from analysis of the ______(52) a 13-page survey mailed in January 1991 to 1,733 second-year residents. The survey and _______(53)appear in the April 15th is- sue of the Journal of the American Medical Association.
Overall, out of the 1,277 reside nts _______(54) completed surveys, 1,185 said that they had experienced at least one incident of mistreatment in their intern year. ______ (55)reporting incidents where they were abused, more than 45% of the residents said they had witnessed at least one incident where other persons _______(56) false medical records. Moreover, nearly three quarters of the residents said they had witnessed mistreatment of patients by other residents,attending physicians, or nurses. Almost 40% said patient mistreatment was a frequent ________(57).
More than 10% of the residents said they were ________(58) to have enough sleep, and the average number of hours ________(59) sleep was 37.6. The average on-call time during a ________ (60)week was 56.9 hours, but about 25% of the residents said their on-call assignments were more than 80 hours some weeks.________(61)30% of the residents said they experienced some type of sexual harassment or discrimination, verbal abuse was the most common problem cited. When abusive incidents were limited to events occurring three or n~re times, 53% of the respondents reported that they ________ (62) belittled or humiliated by more senior residents, while just over 21% reported
someone taking credit for their work. Being " ________ (63)tasks for punishment," "being pushed, kicked or hit," and ________(64)someone "threatening your reputation or career,"were reported as a more ________(65) occurrence by over 10% of the responding residents.
A．being
B．were
C．been
D．be
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