Found even in ancient Egyptian mummies, the parasitic Guinea worm became the focus of a
global public health campaign in 1986; this species of parasite has declined for two decades,
and may finally be eradicated from the earth by 2010.
• Found even in ancient Egyptian mummies, the parasitic Guinea worm became the focus of a
global public health campaign in 1986; this species of parasite has
• Being the focus of a global public health campaign since 1986 and found even in ancient
Egyptian mummies; the population of the parasitic Guinea worm has
• Having been the focus of a global public health campaign in 1986, it was found even in ancient
Egyptian mummies; the frequency of the parasitic Guinea worm
• Being found even in ancient Egyptian mummies and having been the focus of a global public
health campaign since 1986, the frequency of the parasitic Guinea worm
• Having been found even in ancient Egyptian mummies and being the focus of a global public
health campaign since 1986, the parasitic Guinea worm species
OA is A. I chose the correct answer but I have a confusion about the usage of "having been"…does the usage of having been found implies that mummies were found even before 1986 ( answer choice E), if not then what does having been found implies here.
global public health campaign in 1986; this species of parasite has declined for two decades,
and may finally be eradicated from the earth by 2010.
• Found even in ancient Egyptian mummies, the parasitic Guinea worm became the focus of a
global public health campaign in 1986; this species of parasite has
• Being the focus of a global public health campaign since 1986 and found even in ancient
Egyptian mummies; the population of the parasitic Guinea worm has
• Having been the focus of a global public health campaign in 1986, it was found even in ancient
Egyptian mummies; the frequency of the parasitic Guinea worm
• Being found even in ancient Egyptian mummies and having been the focus of a global public
health campaign since 1986, the frequency of the parasitic Guinea worm
• Having been found even in ancient Egyptian mummies and being the focus of a global public
health campaign since 1986, the parasitic Guinea worm species
OA is A. I chose the correct answer but I have a confusion about the usage of "having been"…does the usage of having been found implies that mummies were found even before 1986 ( answer choice E), if not then what does having been found implies here.
