Укажите предложения с причастием в функции обстоятельства: a) before examining the patient the doctor questions him thoroughly. b) while listening to the patient's heart the doctor heard a soft systolic murmur. c) when asked about the cause of a duodenal ulcer, the student couldn't answer. d) on having received the results of analyses the doctor made the diagnosis. e) if arrested in time almost any disease can be cured.
