单选题The doctor telephoned to&

问题补充：

单选题Thedoctortelephonedtosaythathecouldn’t____themeetingbecausehehadto___apatient.A.came to; attend toB.attend; attendC.join; treatD.attend on; look after

答案：

B解析参加会议常用attend/ be present at the meeting，照看病人用attend（on）a patient/ look after a patient。