(I) A leading pharmaceutical company recently announced that it had tested 13,500 molecules against the parasite that causes malaria. (II) Malaria has been known about since ancient times and has gone under many names. (III) Today, it kills over a million people a year, most of them young children. (IV) Where it originally came from, though, has been
a matter of scientific debate for half a century. (V) It was in 1958 that a noted anthropologist first suggested that Plasmodium falciparum (the deadliest of the four or five parasites that cause human malaria) had jumped into people from chimpanzees 10,000 years ago.
A) I B) II C) III D) IV E) V