(·辽宁 29)To her joy Della earned first the trust of her students and then of her colle

问题补充：

(·辽宁，29)To her joy，Della earned first the trust of her students and then of her colleagues.

A. that

B. one

C. ones

D. those

答案：

(答案→)A. that

B. one

C. ones

D. those

解析：句意：Della先赢得了学生的信任，然后赢得了同事的信任，此处用于替代不可数名词trust，故用that。如果代替可数复数名词用those或the ones。