Choose the Answer Which Best Rewords the Italicized Portion

Multiple Choice

Choose the answer which best rewords the italicized portion. If you think the original wording is best, choose option A.
She continued her working on women's suffrage through speaking engagements and organization efforts.

A) She continued her working on women's suffrage
B) She continued, her working on women's suffrage,
C) She continued her work on women's suffrage
D) She continued, by her work, on women's suffrage