求助！主语单数还是复数傻傻分不清楚。。。。

demon920719

A one-million-year-old skull bearing traits associated both with Homo erectus and, in addition, Homo sapiens has been found in the Afar region of Eritrea, and indicates that modern humans developed much earlier than previously thought.

(A) both with Homo erectus and, in addition, Homo sapiens has been found in the Afar region of Eritrea, and indicates
(B) both with Homo erectus and Homo sapiens have been found in the Afar region of Eritrea, which indicates
(C) with both Homo erectus and Homo sapiens has been found in the Afar region of Eritrea, indicating
(D) with both Homo erectus and Homo sapiens and found in the Afar region of Eritrea, indicating
(E) with both Homo erectus and Homo sapiens have been found in the Afar region of Eritrea, which indicates
PREP上的一道语法题。看到 Skull bearing traits 之后毫不犹豫地选了E。可是可是。。。为什么主语是skull不是traits啊啊啊啊啊啊！
求高手相助！

kiwifoodtown

LZ,其他的先不说，你看到第一个大大的字母A了吗？

demon920719

kiwifoodtown 发表于 2013-6-28 10:30
LZ,其他的先不说，你看到第一个大大的字母A了吗？

。。。懂了懂了。我YY出了所有格。。。。