Tom is younger of the two newcomers. To be honest I have never seen cleverer one.A. / /B

问题补充：

Tom is younger of the two newcomers. To be honest, I have never seen cleverer one.

A. /,/

B. a, the

C. the, a

D. /,a

答案：

A. /,/

B. a, the

(答案→)C. the, a

D. /,a

解析：考查冠词用法.前文两个新人中比较年轻的一个是特指,下文我从没见过一个更聪明的,是泛指任何一个.故选C.