问题
选择题
The growing speed of a plant is influenced by a number of factors, _____ are beyond our control. [ ]
A. most of them
B. most of which
C. most of what
D. most of that
答案
答案：B
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The growing speed of a plant is influenced by a number of factors, _____ are beyond our control. [ ]
A. most of them
B. most of which
C. most of what
D. most of that
答案：B