【考研英语原文长难句Naturalists,forinstance,wouldbeforcedtoacknowledgethattheonlydistinctionbetweenspeciesandwell-markedvarietiesisthatthelatterareknownorbelievedtobeconnectedatthepresentdaybyintermediategradati】
考研英语原文长难句
Naturalists,forinstance,wouldbeforcedtoacknowledgethattheonlydistinctionbetweenspeciesandwell-markedvarietiesisthatthelatterareknownorbelievedtobeconnectedatthepresentdaybyintermediategradations,whereasspecieswereformerly,thoughtheyarenotnow,thusconnected.
whereasspecieswereformerly这个分句不是没结束吗?后面怎么没有东西接啊
,thoughtheyarenotnow,thusconnected.是什么成分.