—Were all the students who took part in the work praised by the headmaster?

—No, _______only three of them who had tried their best.

A. it were　　　 B. it was

C. there was　　 D. that was

—Were all the students who took part in the work praised by the headmaster?

　 —No, _______only three of them who had tried their best.

A. it were　　　 B. it was　　　　 C. there was　　 D. that was