Asumatran rhinoceros was recently born in a cincinnati zoo, the first birth in captivity of that species in more than a century, making it a landmark development for the effort to save the endangered animal.

(a) a sumatran rhinoceros was recently born in a cincinnati zoo, the first birth in captivity of that species in more than a century, making it
(b) a sumatran rhinoceros was recently born in a cincinnati zoo, and as the first birth of that species in captivity for more than a century, it is
(c) a sumatran rhinoceros recently born in a cincinnati zoo, as the first birth for that species in captivity for over a century, is
(d) the recent birth of a sumatran rhinoceros in a cincinnati zoo, the first birth in captivity for that species in over a century, is
(e) the recent birth of a sumatran rhinoceros, as the first birth in over a century of that species in captivity, took place in a cincinnati zoo,