He suggested that the doctor_____at once A.be sent for B.was sent for C.was going to be sent for

问题描述:

He suggested that the doctor_____at once A.be sent for B.was sent for C.was going to be sent for
D.must be sent for

A.be sent for
suggest表示“建议(应该做)”的主观意志时,后面的宾语从句要用虚拟语气,其谓语形式是固定的“should do(主动)、should be done(被动)”,同时should也可以省略.
他建议立刻派人去请医生.