求解:谢谢大家

GWD 21-10

Researchers in Germany have unearthed 400,000-year-old wooden spears from what it appears was an ancient lakeshore hunting ground as stunning evidence of human ancestors who systematically hunted big game much earlier than believed.

A. it appears was an ancient lakeshore hunting ground as stunning evidence of human ancestors who

B. it appears had been an ancient lakeshore hunting ground and stunning evidence that human ancestors

C. appears was an ancient lakeshore hunting ground and is stunning evidence that human ancestors

D. appears to be an ancient lakeshore hunting ground, stunning evidence that human ancestors (D)

E. appears that it is an ancient lakeshore hunting ground, stunning evidence of human ancestors who

首先what中包含后半句中的主语，所以后面紧跟it是不正确的。砍掉A和B。

appear作为系动词，紧跟系动词was是错误的,砍掉C。appear如果接that，得用句型 It appears that....,砍掉E。

Sth. appears to be sth.正好是一种标准用法。