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 |
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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 |