My father and his teacher talked for about an hour of things and persons ______ they remembered at the school.

1. A.
   that
2. B.
   which
3. C.
   who
4. D.
   what

My father and his teacher talked for about an hour of things and persons ______ they remembered at the school.

A. that             B. which                     C. who                D. what

My father and his teacher talked for about an hour of things and persons ______ they remembered at the school.

My father and his teacher talked for about an hour of things and persons ________they remembered in the school.

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