题目

It is the first report that home-grown food has been contaminated by radioactivity, largely Iodine(碘)-131, since the ministry ordered radiation( powerful and harmful rays that are sent out from radioactive substances) tests on food and water at the end of March in 14 mainland regions including Beijing, Tianjin, and some coastal provinces. Sample inspections conducted on Tuesday found low levels of radioactive iodine in spinach( a kind of green vegetables) planted in Beijing, Tianjin and Henan province --- about 1-3 becquerels per kilogram (Bq/kg), the statement said. The contamination level 25、The girl looked at me with a _______expression. Maybe the problem was quite ______.       A. puzzled; puzzling                                  B. puzzling; puzzled        C. puzzled; puzzled                                   D. puzzling; puzzling