Read this sentence from paragraph 1 of the story.
The widow forced Yeh-Shen to do the hardest work.
Yeh-Shen's stepmother makes her work hard because she
A. thinks her own daughter can learn from Yeh-Shen
B. wants Yeh-Shen to know how to work hard
C. favors her own daughter over Yeh-Shen
D. knows Yeh-Shen is able to do the hardest work