Which sentence from the above passage offers support for the following thesis?
"while ancient surgical procedures would horrify most modern people, it is amazing to consider the level of
sophistication early healers possessed."
a. "he read ancient works from the egyptian doctor imhotep who lived in the second millennia b. c."
ob.
"in fact, the medical tools galen invented are very similar to tools modern doctors use on a daily basis.
oc.
"many businesses in ancient egypt also provided medical insurance and sick leave for workers."
od.
"galen was a roman citizen, and he lived in an area of the mediterranean that is today part of turkey."