(The student) came over to my office a week later and didn't...
(The student) came over to my office a week later and didn't know who this girl was, ... I opened the yearbook to that year with 20 girls' pictures, and she picked her out.
(The student) came over to my office a week later and didn't know who this girl was, ... I opened the yearbook to that year with 20 girls' pictures, and she picked her out.