Deng Yaping could play ping-pong when she was four.A. at the age of fourB. four years late

问题补充：

Deng Yaping could play ping-pong when she was four.

A. at the age of four

B. four years later

C. for four years

D. four years age

答案：

(答案→)A. at the age of four

B. four years later

C. for four years

D. four years age

解析：本题考查选择与句中划线部份相同或相近的选项。when she was four表示当她四岁的时候。句意：邓亚萍在她四岁的时候会打乒乓球。