What was the status of Dred Scott while living in the free state of Illinois?

A. free

B. emancipated

C. indentured servant

D. slave

(Ik the answer is not C)

Technically he could be considered to be a freedman, because Illinois outlawed slavery. However, the Supreme Court ruled that his time spent in Illinois didn't change the fact that he remained a slave after his master died, so he was not empancipated, and thus was still a slave.

The answer is D: He was a slave.