The Science Museum we visited during a recent trip to Britain is one of London’s tour

问题补充：

The Science Museum , we visited during a recent trip to Britain , is one of London’s tourist attraction.

A. that

B. which

C. what

D. where

答案：

A. that

(答案→)B. which

C. what

D. where

解析：考查定语从句，先行词是The Science Museum，定语从句缺少宾语，而且是非限制性定语从句，用which引导，句意是：在最近一次去英国的旅行中参观的科学博物馆，是伦敦的旅游景点之一。选B。