—Whatabeautifulpicture!Whopaintedit?—Jackdid.He

问题详情：

 —What a beautiful picture ! Who painted it ?

— Jack did. He ______painting at the age of six .

  A. took up     B. took off     C. took over      D. took on

【回答】

A

知识点：动词和动词短语

题型：选择题