This is a long question please rephrase it.
I would say the answer is the answer is D…
The modern process is named after its inventor, the Englishman Henry Bessemer<span>, who took out a </span>patent<span> on the process in 1856.</span><span> The process was said to be independently discovered in 1851 by the American inventor </span>William Kelly,<span> though there is little to back up this claim.</span>