Bynineo’clock,alltheOlympictorchbearershadreachedthetop...

问题详情：

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

【回答】

D

知识点：定语从句

题型：选择题