Part of the following sentence is underlined; beneath the sentence are five ways of phrasing the underlined material. Select the option that produces the best sentence. If you think the original phrasing produces a better sentence than any of the alternatives, select choice A. 

Mexican painter Frida Kahlo drew inspiration from her Mexican heritage, where she incorporated native and religious symbols into her work.

1.   where she incorporated
2.   in which she incorporated
3.   incorporated
4.   incorporating
5.   therefore, she incorporated