Tom eagerly finished up was left of the chicken pie.A. whatB. thatC. whichD. where

问题补充：

Tom eagerly finished up was left of the chicken pie.

A. what

B. that

C. which

D. where

答案：

(答案→)A. what

B. that

C. which

D. where

解析：考查名词性句。句中what引导不用从句，在从句中作主语，故用关系词what，选A。