— Where is Betty?

— She ______ on the playground half an hour ago. [ ]

A. sees

B. saw

C. is seen

D. was seen

国家工作人员在节能管理工作中滥用职权、玩忽职守、徇私舞弊，构成犯罪的，依法追究刑事责任；尚不构成犯罪的，依法给予处分。