After a few courses on painting Helen said she would oil painting in her spare time.A.

问题补充：

After a few courses on painting, Helen said she would oil painting in her spare time.

A. look up

B. bring up

C. take up

D. put up

答案：

A. look up

B. bring up

(答案→)C. take up

D. put up

解析：本题的含义是在上了几节关于绘画课之后，海伦说她将在业余的时间开始画油画，take up表示开始做某事消遣的含义，与本题的意思相符，故本题选C。