问题

His eyes were ____ Della, and there was ____ in them that she could not ____. [ ]
A: fixed on; expression; read
B: fixing upon; expression; believe
C: fixed upon; an expression; find
D: fixed on; an expression; understand
B: fixing upon; expression; believe
C: fixed upon; an expression; find
D: fixed on; an expression; understand
正确答案是: