LIEN LAST VISITED A CENTRE FOR CHILDREN WITH COGNITIVE IMPAIRMENTS TWO WEEKS AGO

33. Lien last visited a centre for children with cognitive impairments two weeks ago. A. Lien hasn't visited a centre for children with cognitive impairments for two weeks. B. It's two weeks when Lien visited a centre for children with cognitive impairments. C. Lien visited a centre for children with cognitive impairments for two weeks. D. This is the last time Lien visited a centre for children with cognitive impairments.