The Hominins Known Collectively as the Australopiths Had at Least

The hominins known collectively as the australopiths had at least eight species,

A) but only five of them have been confirmed to be bipedal, thus putting into question that all australopiths were hominins.
B) Au. sediba, Au. garhi, Au. africanus, Au. afarensis, Au. anamensis, Paranthropus robustus, Paranthropus boisei, and Paranthropus aethiopicus.
C) Au. anamensis, Au. afarensis, Au. kenyanthropus, Au. kadabba, Au. garhi, Au. robustus, Au. paranthropus, and Au. sediba.
D) all discovered in Africa except Au. boisei.
E) all discovered and named by the Leakey family.