（福建卷）31. By nine o’clock, all the Olympic torch bearers had reached the top of Mount Qomolangma, ____ appeared a rare rainbow soon.
A. of which B. on which C. from which D. above which
湖南卷）31. The growing speed of a plant is influenced by a number of factors, _____ are beyond our control.
- most of them B. most of which C. most of what D. most of that
（江苏卷）24. The Science Museum, ______ we visited during a recent trip to Britain, is one of London’s tourist attractions.
A. which B. what C. that D. where
