After months of voyage,he arrived in----later proved a new continent.

问题描述:

After months of voyage,he arrived in----later proved a new continent.
A where
B what
选出正确答案并解释,顺便翻译下整个句子.

B
经过了数月的航行,他终于抵达了后来被证实是新大陆的地方
什么被证实为是新大陆的地方
而不是哪里被证实为是是新大陆