It was recommended that they （） for the doctor.

A:has waited B:waited C:should wait D:should have waited

It was recommended that they （　）for the doctor.

A:has waited B:waited C:should wait D:should have waited

It was recommended that they （） for the doctor.

A:has waited B:waited C:should wait D:should have waited

It was recommended that they ______ for the doctor.

A:has waited B:waited C:should wait D:should have waited

It was recommended that they ______ for the doctor.

A:has waited B:waited C:should wait D:should have waited

It was recommended that they ______for the doctor.

A:has waited B:waited C:should wait D:should have waited