这句话中 in this whole world做地点状语,like you 前面省略了who.如果选A there's no person因为用了否定应该后边连接 that 而不是 这里省略的 who.所以应该选 only one.另外这句话 貌似是 飘 中的名句 还有下半句的 There’s only one person in this whole world （who）like you ,and i like you exactly as you are .