Question

In this city ________ lived people who had discovered how to stay healthy．

1. A.
   /
2. B.
   where
3. C.
   which
4. D.
   that

Answer 1

A
本题为思维定式题。看到前面有city，就以为要用定语从句，从而选择B项。但实际上，整个句子的前面部分是一个简单句，in this city只不过是句子中的地点状语，所以中间不要用连词。